1 files changed, 1 insertions, 1 deletions
diff --git a/src/argparse.c b/src/argparse.c
index fcefbba3..03c96fed 100644
--- a/src/argparse.c
+++ b/src/argparse.c
@@ -1388,7 +1388,7 @@ show_help (ARGPARSE_OPTS *opts, unsigned int flags)
 }
 
 static void
-show_version ()
+show_version (void)
 {
   const char *s;
   int i;