diff --git a/gtk2_ardour/editor_timefx.cc b/gtk2_ardour/editor_timefx.cc
index 39cda63517..a38e61a437 100644
--- a/gtk2_ardour/editor_timefx.cc
+++ b/gtk2_ardour/editor_timefx.cc
@@ -208,6 +208,13 @@ Editor::time_fx (RegionList& regions, float val, bool pitching)
 		}
 	}
 
+#ifndef NDEBUG
+	printf("TIME-FX: time: %f pitch: %f mode: %d\n",
+			current_timefx->request.time_fraction,
+			current_timefx->request.pitch_fraction,
+			rb_current_opt);
+#endif
+
 	switch (rb_current_opt) {
 		case 0:
 			transients = NoTransients; peaklock = false; longwin = true; shortwin = false;