diff --git a/gst-libs/gst/gl/meson.build b/gst-libs/gst/gl/meson.build
index f5f39b8..d9f8dfa 100644
--- a/gst-libs/gst/gl/meson.build
+++ b/gst-libs/gst/gl/meson.build
@@ -105,6 +105,7 @@
     'GST_GL_HAVE_WINDOW_DISPMANX',
     'GST_GL_HAVE_WINDOW_EAGL',
     'GST_GL_HAVE_WINDOW_VIV_FB',
+    'GST_GL_HAVE_WINDOW_GBM',
 
     'GST_GL_HAVE_PLATFORM_EGL',
     'GST_GL_HAVE_PLATFORM_GLX',