diff --git a/source/blender/src/retopo.c b/source/blender/src/retopo.c
index b2c04eb0f6d..847a5edd99b 100644
--- a/source/blender/src/retopo.c
+++ b/source/blender/src/retopo.c
@@ -574,6 +574,7 @@ char retopo_paint(const unsigned short event)
 				BLI_freelinkN(&rpd->lines, l);
 				if(rpd->nearest.line == l)
 					rpd->nearest.line= NULL;
+				BIF_undo_push("Erase line");
 				allqueue(REDRAWVIEW3D, 0);
 			}
 			break;