diff --git a/common b/common
index 3fa2c9e..f0c2dc9 160000
--- a/common
+++ b/common
@@ -1 +1 @@
-Subproject commit 3fa2c9e372bceec30be91e67fb02b6cb05bed493
+Subproject commit f0c2dc9aadfa05bb5274c40da750104ecbb88cba
diff --git a/gst-libs/gst/interfaces/Makefile.am b/gst-libs/gst/interfaces/Makefile.am
index 966ee1b..de9d2a6 100644
--- a/gst-libs/gst/interfaces/Makefile.am
+++ b/gst-libs/gst/interfaces/Makefile.am
@@ -10,7 +10,8 @@
 glib_enum_define=GST_PHOTOGRAPHY
 glib_gen_prefix=gst_photography
 glib_gen_basename=photography
-glib_gen_decl_banner=GST_EXPORT
+glib_gen_decl_banner=GST_PHOTOGRAPHY_API
+glib_gen_decl_include=\#include <gst/interfaces/photography-prelude.h>
 
 built_sources = \
 	photography-enumtypes.c
@@ -19,6 +20,7 @@
 	photography-enumtypes.h
 
 libgstphotographyinclude_HEADERS = \
+	photography-prelude.h \
 	$(headers_photography)
 
 nodist_libgstphotographyinclude_HEADERS = \
diff --git a/gst-libs/gst/interfaces/build_mkenum.py b/gst-libs/gst/interfaces/build_mkenum.py
index 350cbb6..a788392 100755
--- a/gst-libs/gst/interfaces/build_mkenum.py
+++ b/gst-libs/gst/interfaces/build_mkenum.py
@@ -8,11 +8,11 @@
 import sys, os, shutil, subprocess
 
 h_array = ['--fhead',
-           "#ifndef __GST_PHOTO_ENUM_TYPES_H__\n#define __GST_PHOTO_ENUM_TYPES_H__\n\n#include <gst/gst.h>\n\nG_BEGIN_DECLS\n",
+           "#ifndef __GST_PHOTO_ENUM_TYPES_H__\n#define __GST_PHOTO_ENUM_TYPES_H__\n\n#include <gst/gst.h>\n#include <gst/interfaces/photography-prelude.h>\nG_BEGIN_DECLS\n",
            '--fprod',
            "\n/* enumerations from \"@filename@\" */\n",
            '--vhead',
-           "GST_EXPORT GType @enum_name@_get_type (void);\n#define GST_TYPE_@ENUMSHORT@ (@enum_name@_get_type())\n",
+           "GST_PHOTOGRAPHY_API GType @enum_name@_get_type (void);\n#define GST_TYPE_@ENUMSHORT@ (@enum_name@_get_type())\n",
            '--ftail',
            "G_END_DECLS\n\n#endif /* __GST_PHOTO_ENUM_TYPES_H__ */"]
 
diff --git a/gst-libs/gst/interfaces/meson.build b/gst-libs/gst/interfaces/meson.build
index 23c9846..35290f7 100644
--- a/gst-libs/gst/interfaces/meson.build
+++ b/gst-libs/gst/interfaces/meson.build
@@ -1,5 +1,5 @@
 photography_sources = ['photography.c']
-photo_headers = ['photography.h']
+photo_headers = ['photography.h', 'photography-prelude.h']
 install_headers(photo_headers, subdir : 'gstreamer-1.0/gst/interfaces')
 
 mkenums = find_program('build_mkenum.py')
diff --git a/gst-libs/gst/interfaces/photography-prelude.h b/gst-libs/gst/interfaces/photography-prelude.h
new file mode 100644
index 0000000..7e300e6
--- /dev/null
+++ b/gst-libs/gst/interfaces/photography-prelude.h
@@ -0,0 +1,31 @@
+/* GStreamer Photography Library
+ * Copyright (C) 2018 GStreamer developers
+ *
+ * photography-prelude.h: prelude include header for gst-photography library
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __GST_PHOTOGRAPHY_PRELUDE_H__
+#define __GST_PHOTOGRAPHY_PRELUDE_H__
+
+#include <gst/gst.h>
+
+#ifndef GST_PHOTOGRAPHY_API
+#define GST_PHOTOGRAPHY_API GST_EXPORT
+#endif
+
+#endif /* __GST_PHOTOGRAPHY_PRELUDE_H__ */
diff --git a/gst-libs/gst/interfaces/photography.h b/gst-libs/gst/interfaces/photography.h
index 089c0f1..0475d71 100644
--- a/gst-libs/gst/interfaces/photography.h
+++ b/gst-libs/gst/interfaces/photography.h
@@ -29,6 +29,7 @@
 #endif
 
 #include <gst/gst.h>
+#include <gst/interfaces/photography-prelude.h>
 #include <gst/interfaces/photography-enumtypes.h>
 
 G_BEGIN_DECLS
@@ -550,121 +551,121 @@
   gpointer _gst_reserved[GST_PADDING];
 } GstPhotographyInterface;
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 GType gst_photography_get_type (void);
 
 /* virtual class function wrappers */
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 gboolean gst_photography_get_ev_compensation (GstPhotography * photo,
                                               gfloat * ev_comp);
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 gboolean gst_photography_get_iso_speed       (GstPhotography * photo,
                                               guint * iso_speed);
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 gboolean gst_photography_get_aperture        (GstPhotography * photo,
                                               guint * aperture);
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 gboolean gst_photography_get_exposure        (GstPhotography * photo,
                                               guint32 * exposure);
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 gboolean gst_photography_get_white_balance_mode (GstPhotography * photo,
                                                  GstPhotographyWhiteBalanceMode * wb_mode);
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 gboolean gst_photography_get_color_tone_mode (GstPhotography * photo,
                                               GstPhotographyColorToneMode * tone_mode);
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 gboolean gst_photography_get_scene_mode      (GstPhotography * photo,
                                               GstPhotographySceneMode * scene_mode);
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 gboolean gst_photography_get_flash_mode      (GstPhotography * photo,
                                               GstPhotographyFlashMode * flash_mode);
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 gboolean gst_photography_get_noise_reduction (GstPhotography * photo,
                                               GstPhotographyNoiseReduction * noise_reduction);
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 gboolean gst_photography_get_zoom            (GstPhotography * photo, gfloat * zoom);
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 gboolean gst_photography_get_flicker_mode    (GstPhotography * photo,
                                               GstPhotographyFlickerReductionMode * mode);
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 gboolean gst_photography_get_focus_mode      (GstPhotography * photo,
                                               GstPhotographyFocusMode * mode);
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 gboolean gst_photography_set_ev_compensation (GstPhotography * photo,
                                               gfloat ev_comp);
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 gboolean gst_photography_set_iso_speed       (GstPhotography * photo,
                                               guint iso_speed);
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 gboolean gst_photography_set_aperture        (GstPhotography * photo, guint aperture);
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 gboolean gst_photography_set_exposure        (GstPhotography * photo, guint exposure);
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 gboolean gst_photography_set_white_balance_mode (GstPhotography * photo,
                                                  GstPhotographyWhiteBalanceMode wb_mode);
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 gboolean gst_photography_set_color_tone_mode (GstPhotography * photo,
                                               GstPhotographyColorToneMode tone_mode);
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 gboolean gst_photography_set_scene_mode      (GstPhotography * photo,
                                               GstPhotographySceneMode scene_mode);
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 gboolean gst_photography_set_flash_mode      (GstPhotography * photo,
                                               GstPhotographyFlashMode flash_mode);
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 gboolean gst_photography_set_noise_reduction (GstPhotography * photo,
                                               GstPhotographyNoiseReduction noise_reduction);
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 gboolean gst_photography_set_zoom            (GstPhotography * photo, gfloat zoom);
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 gboolean gst_photography_set_flicker_mode    (GstPhotography * photo,
                                               GstPhotographyFlickerReductionMode mode);
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 gboolean gst_photography_set_focus_mode      (GstPhotography * photo,
                                               GstPhotographyFocusMode mode);
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 GstPhotographyCaps gst_photography_get_capabilities (GstPhotography * photo);
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 gboolean gst_photography_prepare_for_capture (GstPhotography * photo,
                                               GstPhotographyCapturePrepared func,
                                               GstCaps *capture_caps,
                                               gpointer user_data);
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 gboolean gst_photography_set_config    (GstPhotography         * photo,
                                         GstPhotographySettings * config);
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 gboolean gst_photography_get_config    (GstPhotography         * photo,
                                         GstPhotographySettings * config);
 
-GST_EXPORT
+GST_PHOTOGRAPHY_API
 void     gst_photography_set_autofocus (GstPhotography * photo, gboolean on);
 
 G_END_DECLS