diff --git a/pkgconfig/gstreamer-gl-uninstalled.pc.in b/pkgconfig/gstreamer-gl-uninstalled.pc.in
index 14c06a7b00..a7b1b413c8 100644
--- a/pkgconfig/gstreamer-gl-uninstalled.pc.in
+++ b/pkgconfig/gstreamer-gl-uninstalled.pc.in
@@ -10,6 +10,6 @@ Version: @VERSION@
 Requires: gstreamer-@GST_MAJORMINOR@
 
 Libs: -L${libdir}/gl
-Cflags: -I${includedir}
+Cflags: -I${includedir} -I@srcdir@/..
 
 libraries=gl