diff --git a/clutter/clutter/clutter-main.c b/clutter/clutter/clutter-main.c
index b862f82a3..195c2e5cf 100644
--- a/clutter/clutter/clutter-main.c
+++ b/clutter/clutter/clutter-main.c
@@ -117,6 +117,7 @@ static const GDebugKey clutter_debug_keys[] = {
   { "clipping", CLUTTER_DEBUG_CLIPPING },
   { "oob-transforms", CLUTTER_DEBUG_OOB_TRANSFORMS },
   { "frame-timings", CLUTTER_DEBUG_FRAME_TIMINGS },
+  { "detailed-trace", CLUTTER_DEBUG_DETAILED_TRACE },
 };
 #endif /* CLUTTER_ENABLE_DEBUG */
 
diff --git a/clutter/clutter/clutter-main.h b/clutter/clutter/clutter-main.h
index e59361eb7..26651efc6 100644
--- a/clutter/clutter/clutter-main.h
+++ b/clutter/clutter/clutter-main.h
@@ -54,6 +54,7 @@ typedef enum
   CLUTTER_DEBUG_CLIPPING            = 1 << 15,
   CLUTTER_DEBUG_OOB_TRANSFORMS      = 1 << 16,
   CLUTTER_DEBUG_FRAME_TIMINGS       = 1 << 17,
+  CLUTTER_DEBUG_DETAILED_TRACE      = 1 << 18,
 } ClutterDebugFlag;
 
 typedef enum