diff --git a/src/main.c b/src/main.c
index 7d01a23..0407795 100644
--- a/src/main.c
+++ b/src/main.c
@@ -812,7 +812,7 @@
     starttermcap();	    /* start termcap if not done by wait_return() */
     TIME_MSG("start termcap");
 #if defined(FEAT_TERMRESPONSE) && defined(FEAT_MBYTE)
-    may_req_ambiguous_character_width();
+    may_req_ambiguous_char_width();
 #endif
 
 #ifdef FEAT_MOUSE