diff --git a/gst-libs/gst/interfaces/Makefile.am b/gst-libs/gst/interfaces/Makefile.am
index 5b6977fc01..d7ee304b6a 100644
--- a/gst-libs/gst/interfaces/Makefile.am
+++ b/gst-libs/gst/interfaces/Makefile.am
@@ -28,7 +28,7 @@ libgstphotography_@GST_MAJORMINOR@_la_SOURCES = \
 nodist_libgstphotography_@GST_MAJORMINOR@_la_SOURCES = 	\
 	$(built_sources)
 
-libgstphotography_@GST_MAJORMINOR@_la_CFLAGS = $(GST_CFLAGS)
+libgstphotography_@GST_MAJORMINOR@_la_CFLAGS = $(GST_CFLAGS) -DGST_USE_UNSTABLE_API
 libgstphotography_@GST_MAJORMINOR@_la_LIBADD = $(GST_LIBS) 
 libgstphotography_@GST_MAJORMINOR@_la_LDFLAGS = $(GST_LIB_LDFLAGS) $(GST_ALL_LDFLAGS) $(GST_LT_LDFLAGS)
 
diff --git a/gst-libs/gst/interfaces/photography.h b/gst-libs/gst/interfaces/photography.h
index afa4631a40..b7f6b9404c 100644
--- a/gst-libs/gst/interfaces/photography.h
+++ b/gst-libs/gst/interfaces/photography.h
@@ -24,6 +24,11 @@
 #ifndef __GST_PHOTOGRAPHY_H__
 #define __GST_PHOTOGRAPHY_H__
 
+#ifndef GST_USE_UNSTABLE_API
+#warning "The GstPhotography interface is unstable API and may change in future."
+#warning "You can define GST_USE_UNSTABLE_API to avoid this warning." 
+#endif
+
 #include <gst/gst.h>
 #include <gst/interfaces/photography-enumtypes.h>
 
diff --git a/gst/camerabin/Makefile.am b/gst/camerabin/Makefile.am
index 376d678752..9887ba3946 100644
--- a/gst/camerabin/Makefile.am
+++ b/gst/camerabin/Makefile.am
@@ -28,7 +28,7 @@ nodist_libgstcamerabin_la_SOURCES = $(built_sources)
 # libcamerabin_la_HEADERS = gstcamerabin.h
 
 libgstcamerabin_la_CFLAGS = \
-	$(GST_CFLAGS) $(GST_BASE_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS)
+	$(GST_CFLAGS) $(GST_BASE_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) -DGST_USE_UNSTABLE_API
 
 libgstcamerabin_la_LIBADD = \
 	$(GST_LIBS) $(GST_BASE_LIBS) $(GST_PLUGINS_BASE_LIBS) \