diff --git a/src/pki/command.c b/src/pki/command.c
index accec5fe5..6e6bf041e 100644
--- a/src/pki/command.c
+++ b/src/pki/command.c
@@ -265,7 +265,7 @@ int command_usage(char *error)
 /**
  * Show usage information
  */
-static int help(int c, char *v[])
+static int help()
 {
 	return command_usage(NULL);
 }