diff --git a/source/blender/nodes/intern/CMP_nodes/CMP_blur.c b/source/blender/nodes/intern/CMP_nodes/CMP_blur.c
index 4d9f2e31f52..91a04e3128a 100644
--- a/source/blender/nodes/intern/CMP_nodes/CMP_blur.c
+++ b/source/blender/nodes/intern/CMP_nodes/CMP_blur.c
@@ -579,7 +579,10 @@ static void node_composit_exec_blur(void *data, bNode *node, bNodeStack **in, bN
 		new->yof = img->yof;
 		
 		blur_with_reference(node, new, img, in[1]->data);
-		
+		if(node->exec & NODE_BREAK) {
+			free_compbuf(new);
+			new= NULL;
+		}
 		out[0]->data= new;
 	}
 	else {
@@ -615,6 +618,10 @@ static void node_composit_exec_blur(void *data, bNode *node, bNodeStack **in, bN
 				gamma_correct_compbuf(new, 1);
 				free_compbuf(gammabuf);
 			}
+			if(node->exec & NODE_BREAK) {
+				free_compbuf(new);
+				new= NULL;
+			}
 		}
 		out[0]->data= new;
 	}
diff --git a/source/blender/nodes/intern/CMP_nodes/CMP_defocus.c b/source/blender/nodes/intern/CMP_nodes/CMP_defocus.c
index 2573639b84f..db663c38215 100644
--- a/source/blender/nodes/intern/CMP_nodes/CMP_defocus.c
+++ b/source/blender/nodes/intern/CMP_nodes/CMP_defocus.c
@@ -791,7 +791,10 @@ static void node_composit_exec_defocus(void *data, bNode *node, bNodeStack **in,
 		gamma_correct_compbuf(new, 1);
 		free_compbuf(old);
 	}
-	
+	if(node->exec & NODE_BREAK) {
+		free_compbuf(new);
+		new= NULL;
+	}	
 	out[0]->data = new;
 	if (zbuf_use && (zbuf_use != zbuf)) free_compbuf(zbuf_use);
 }