diff --git a/src/undo.c b/src/undo.c
index b3a6276..040ec54 100644
--- a/src/undo.c
+++ b/src/undo.c
@@ -266,10 +266,8 @@
     if (undo_off)
 	return OK;
 
-    if (top > curbuf->b_ml.ml_line_count
-	    || top >= bot
-	    || bot > curbuf->b_ml.ml_line_count + 1)
-	return FALSE;	/* rely on caller to do error messages */
+    if (top >= bot || bot > curbuf->b_ml.ml_line_count + 1)
+	return FAIL;	// rely on caller to give an error message
 
     if (top + 2 == bot)
 	u_saveline((linenr_T)(top + 1));
diff --git a/src/version.c b/src/version.c
index 1f94b01..1dae71f 100644
--- a/src/version.c
+++ b/src/version.c
@@ -790,6 +790,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    179,
+/**/
     178,
 /**/
     177,