diff --git a/source/blender/makesrna/intern/rna_image.c b/source/blender/makesrna/intern/rna_image.c
index c46c291fd56..e9eec9bf64a 100644
--- a/source/blender/makesrna/intern/rna_image.c
+++ b/source/blender/makesrna/intern/rna_image.c
@@ -105,7 +105,6 @@ static void rna_Image_reload_update(Main *bmain, Scene *scene, PointerRNA *ptr)
 {
 	Image *ima= ptr->id.data;
 	BKE_image_signal(ima, NULL, IMA_SIGNAL_RELOAD);
-	printf("reload %p\n", ima);
 }
 
 static void rna_Image_generated_update(Main *bmain, Scene *scene, PointerRNA *ptr)
@@ -317,7 +316,7 @@ static void rna_def_image(BlenderRNA *brna)
 	prop= RNA_def_property(srna, "premultiply", PROP_BOOLEAN, PROP_NONE);
 	RNA_def_property_boolean_sdna(prop, NULL, "flag", IMA_DO_PREMUL);
 	RNA_def_property_ui_text(prop, "Premultiply", "Convert RGB from key alpha to premultiplied alpha");
-	RNA_def_property_update(prop, NC_IMAGE|ND_DISPLAY, NULL);
+	RNA_def_property_update(prop, NC_IMAGE|ND_DISPLAY, "rna_Image_reload_update");
 
 	prop= RNA_def_property(srna, "dirty", PROP_BOOLEAN, PROP_NONE);
 	RNA_def_property_boolean_funcs(prop, "rna_Image_dirty_get", NULL);