diff --git a/src/backend/commands/tablespace.c b/src/backend/commands/tablespace.c
index 946777f48b2..3105efe0403 100644
--- a/src/backend/commands/tablespace.c
+++ b/src/backend/commands/tablespace.c
@@ -1354,7 +1354,7 @@ PrepareTempTablespaces(void)
 		 */
 		if (curoid == MyDatabaseTableSpace)
 		{
-			tblSpcs[numSpcs++] = InvalidOid;
+			tblSpcs[numSpcs++] = curoid;
 			continue;
 		}