diff --git a/hypopg.c b/hypopg.c
index 17d9a13..e298956 100644
--- a/hypopg.c
+++ b/hypopg.c
@@ -464,8 +464,10 @@ hypo_get_relation_info_hook(PlannerInfo *root,
 			    bool inhparent,
 			    RelOptInfo *rel)
 {
-	bool  hypopart = false;
 	Relation	relation;
+#if PG_VERSION_NUM >= 100000
+	bool  hypopart = false;
+#endif
 
 	if (HYPO_ENABLED())
 	{
diff --git a/hypopg_import.c b/hypopg_import.c
index 43f36c2..d2613b9 100644
--- a/hypopg_import.c
+++ b/hypopg_import.c
@@ -419,7 +419,11 @@ transformPartitionSpec(Relation rel, PartitionSpec *partspec, char *strategy)
 	 * rangetable entry.  We need a ParseState for transformExpr.
 	 */
 	pstate = make_parsestate(NULL);
-	rte = addRangeTableEntryForRelation(pstate, rel, NULL, false, true);
+	rte = addRangeTableEntryForRelation(pstate, rel,
+#if PG_VERSION_NUM >= 120000
+			AccessShareLock,
+#endif
+			NULL, false, true);
 	addRTEtoQuery(pstate, rte, true, true, true);
 
 	/* take care of any partition expressions */