diff --git a/src/eval.c b/src/eval.c
index 659588f..4bd45e9 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -3682,7 +3682,9 @@
 {
     if (pt->pt_name != NULL)
 	return pt->pt_name;
-    return pt->pt_func->uf_name;
+    if (pt->pt_func != NULL)
+	return pt->pt_func->uf_name;
+    return (char_u *)"";
 }
 
     static void