diff --git a/src/im.c b/src/im.c
index a5edd1675..ff8d9ce20 100644
--- a/src/im.c
+++ b/src/im.c
@@ -2,7 +2,7 @@
   im.c
 
   Input method handling
-  Copyright (c) 2007-2019 by Mark K. Kim and others
+  Copyright (c) 2007-2022 by Mark K. Kim and others
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -755,7 +755,9 @@ static int im_event_c(IM_DATA * im, SDL_Event event)
     }
 
   //im->s[1] = L'\0';
+#ifdef IM_DEBUG
   printf("im->s %ls, event.text.text %s\n", im->s, event.text.text);
+#endif
   im->buf[0] = L'\0';
 
   return 0;