diff --git a/gst-libs/gst/gl/Makefile.am b/gst-libs/gst/gl/Makefile.am
index 36f3bf79d7..f968357186 100644
--- a/gst-libs/gst/gl/Makefile.am
+++ b/gst-libs/gst/gl/Makefile.am
@@ -143,6 +143,7 @@ GstGL-@GST_API_VERSION@.gir: $(INTROSPECTION_SCANNER) libgstgl-@GST_API_VERSION@
 		-I$(top_srcdir)/gst-libs \
 		-I$(top_builddir)/gst-libs \
 		$(GST_PLUGINS_BASE_CFLAGS) \
+		$(GL_CFLAGS) \
 		--add-include-path=`PKG_CONFIG_PATH="$(GST_PKG_CONFIG_PATH)" $(PKG_CONFIG) --variable=girdir gstreamer-@GST_API_VERSION@` \
 		--add-include-path=`PKG_CONFIG_PATH="$(GST_PKG_CONFIG_PATH)" $(PKG_CONFIG) --variable=girdir gstreamer-base-@GST_API_VERSION@` \
 		--library=libgstgl-@GST_API_VERSION@.la \