diff --git a/apps/laplace.c b/apps/laplace.c
index f017f89b..b1af1fa9 100644
--- a/apps/laplace.c
+++ b/apps/laplace.c
@@ -245,7 +245,6 @@ int laplace(void *arg)
 			NewValues = OldValues;
 			OldValues = tmp;
 
-			//RCCE_TNS_barrier(&RCCE_COMM_WORLD);
 			RCCE_barrier(&RCCE_COMM_WORLD);
 
 #ifdef _USE_GFX
@@ -269,6 +268,8 @@ int laplace(void *arg)
 				GFX_draw_data((char *)(BufValues[0]), (N) * (M));
 				GFX_update();
 			}
+
+			RCCE_barrier(&RCCE_COMM_WORLD);
 #endif
 // END ITERATIONS LOOP
 		}