diff --git a/src/backend/optimizer/plan/setrefs.c b/src/backend/optimizer/plan/setrefs.c
index 5700bfb5cd..9b54ed5c70 100644
--- a/src/backend/optimizer/plan/setrefs.c
+++ b/src/backend/optimizer/plan/setrefs.c
@@ -3564,9 +3564,22 @@ extract_query_dependencies_walker(Node *node, PlannerInfo *context)
 
 		if (query->commandType == CMD_UTILITY)
 		{
+			/* CALL requires bespoke processing */
+			if (IsA(query->utilityStmt, CallStmt))
+			{
+				CallStmt   *callstmt = (CallStmt *) query->utilityStmt;
+
+				/* We need not examine funccall, just the transformed exprs */
+				(void) extract_query_dependencies_walker((Node *) callstmt->funcexpr,
+														 context);
+				(void) extract_query_dependencies_walker((Node *) callstmt->outargs,
+														 context);
+				return false;
+			}
+
 			/*
-			 * Ignore utility statements, except those (such as EXPLAIN) that
-			 * contain a parsed-but-not-planned query.
+			 * Ignore other utility statements, except those (such as EXPLAIN)
+			 * that contain a parsed-but-not-planned query.
 			 */
 			query = UtilityContainsQuery(query->utilityStmt);
 			if (query == NULL)