diff --git a/repmgr.c b/repmgr.c
index 4d4f32a5..86a9f6aa 100644
--- a/repmgr.c
+++ b/repmgr.c
@@ -318,7 +318,7 @@ main(int argc, char **argv)
 	}
 
 	/* We check that port number is not null */
-	if (!runtime_options.dbname[0])
+	if (!runtime_options.masterport[0])
 	{
 	        strncpy(runtime_options.masterport, DEFAULT_MASTER_PORT, MAXLEN);
 	}