diff --git a/src/backend/storage/file/fd.c b/src/backend/storage/file/fd.c
index 95d8982f88b..6aa6bae5e37 100644
--- a/src/backend/storage/file/fd.c
+++ b/src/backend/storage/file/fd.c
@@ -562,7 +562,7 @@ retry:
 		{
 			int			elevel;
 
-			if (rc == EINTR)
+			if (errno == EINTR)
 				goto retry;
 
 			/*