diff --git a/src/backend/utils/cache/relcache.c b/src/backend/utils/cache/relcache.c
index fd05615e76..7f5b57f783 100644
--- a/src/backend/utils/cache/relcache.c
+++ b/src/backend/utils/cache/relcache.c
@@ -6199,7 +6199,17 @@ write_relcache_init_file(bool shared)
 				 DatabasePath, RELCACHE_INIT_FILENAME);
 	}
 
-	unlink(tempfilename);		/* in case it exists w/wrong permissions */
+	/* in case it exists w/wrong permissions */
+	if (unlink(tempfilename) && errno != ENOENT)
+	{
+		ereport(WARNING,
+				(errcode_for_file_access(),
+				 errmsg("could not unlink relation-cache initialization file \"%s\": %m",
+						tempfilename),
+				 errdetail("Continuing anyway, but there's something wrong.")));
+		return;
+	}
+
 
 	fp = AllocateFile(tempfilename, PG_BINARY_W);
 	if (fp == NULL)