diff --git a/src/backend/postmaster/pgstat.c b/src/backend/postmaster/pgstat.c
index dac5bca..36f751c 100644
--- a/src/backend/postmaster/pgstat.c
+++ b/src/backend/postmaster/pgstat.c
@@ -562,16 +562,15 @@ pgstat_reset_remove_files(const char *directory)
 	struct dirent *entry;
 	char		fname[MAXPGPATH];
 
-	dir = AllocateDir(pgstat_stat_directory);
-	while ((entry = ReadDir(dir, pgstat_stat_directory)) != NULL)
+	dir = AllocateDir(directory);
+	while ((entry = ReadDir(dir, directory)) != NULL)
 	{
 		if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0)
 			continue;
 
 		/* XXX should we try to ignore files other than the ones we write? */
 
-		snprintf(fname, MAXPGPATH, "%s/%s", pgstat_stat_directory,
-				 entry->d_name);
+		snprintf(fname, MAXPGPATH, "%s/%s", directory, entry->d_name);
 		unlink(fname);
 	}
 	FreeDir(dir);