diff --git a/sys/decklink/gstdecklinkaudiosink.cpp b/sys/decklink/gstdecklinkaudiosink.cpp
index 5f45f5b..9ba5220 100644
--- a/sys/decklink/gstdecklinkaudiosink.cpp
+++ b/sys/decklink/gstdecklinkaudiosink.cpp
@@ -722,7 +722,7 @@
         // or are not started yet and there's nothing we can do at this point
         GST_INFO_OBJECT (self,
             "Ignoring scheduling error 0x%08x because we're not started yet"
-            " or not anymore", ret);
+            " or not anymore", (guint) ret);
         flow_ret = GST_FLOW_OK;
         break;
       }