diff --git a/src/textprop.c b/src/textprop.c
index b6cae70..d678234 100644
--- a/src/textprop.c
+++ b/src/textprop.c
@@ -920,7 +920,8 @@
 	    }
 	}
     }
-    redraw_buf_later(buf, NOT_VALID);
+    if (rettv->vval.v_number > 0)
+	redraw_buf_later(buf, NOT_VALID);
 }
 
 /*
diff --git a/src/version.c b/src/version.c
index bdc23a4..399539d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2637,
+/**/
     2636,
 /**/
     2635,