1 files changed, 1 insertions, 1 deletions
diff --git a/missing.h b/missing.h
index 877ee6bf7e..33dff9bacc 100644
--- a/missing.h
+++ b/missing.h
@@ -114,7 +114,7 @@ extern long strtol _((char *, char **, int));
 */
 
 #ifndef HAVE_STRTOUL
-extern long strtoul _((char *, char **, int));
+extern unsigned long strtoul _((char *, char **, int));
 #endif
 
 #ifndef HAVE_VSNPRINTF