diff --git a/src/backend/access/transam/slru.c b/src/backend/access/transam/slru.c
index ee111ca539..9789d47078 100644
--- a/src/backend/access/transam/slru.c
+++ b/src/backend/access/transam/slru.c
@@ -615,7 +615,7 @@ SimpleLruDoesPhysicalPageExist(SlruCtl ctl, int pageno)
 
 	if ((endpos = lseek(fd, 0, SEEK_END)) < 0)
 	{
-		slru_errcause = SLRU_OPEN_FAILED;
+		slru_errcause = SLRU_SEEK_FAILED;
 		slru_errno = errno;
 		SlruReportIOError(ctl, pageno, 0);
 	}