diff --git a/config.c b/config.c
index 9c9fa1b5..d3a2140e 100644
--- a/config.c
+++ b/config.c
@@ -30,7 +30,7 @@ static void tablespace_list_append(t_configuration_options *options, const char
 static void exit_with_errors(ItemList *config_errors);
 
 const static char *_progname = NULL;
-static char config_file_path[MAXPGPATH];
+static char config_file_path[MAXPGPATH] = "";
 static bool config_file_provided = false;
 bool config_file_found = false;