diff --git a/source/blender/src/editnode.c b/source/blender/src/editnode.c
index d59f095ea1d..caee417cac1 100644
--- a/source/blender/src/editnode.c
+++ b/source/blender/src/editnode.c
@@ -297,7 +297,7 @@ static void composit_node_event(SpaceNode *snode, short event)
 			bNode *node= BLI_findlink(&snode->edittree->nodes, event-B_NODE_EXEC);
 			if(node) {
 				NodeTagChanged(snode->edittree, node);
-				NodeTagIDChanged(snode->nodetree, node->id);	/* Scene-layer nodes, texture nodes, image nodes, all can be used many times */
+				/* don't use NodeTagIDChanged, it gives far too many recomposites for image, scene layers, ... */
 				
 				/* not the best implementation of the world... but we need it to work now :) */
 				if(node->type==CMP_NODE_R_LAYERS && node->custom2) {