diff --git a/src/pl/plpgsql/src/pl_exec.c b/src/pl/plpgsql/src/pl_exec.c
index aeb6c8fefc..bb08037a94 100644
--- a/src/pl/plpgsql/src/pl_exec.c
+++ b/src/pl/plpgsql/src/pl_exec.c
@@ -2309,13 +2309,19 @@ exec_stmt_call(PLpgSQL_execstate *estate, PLpgSQL_stmt_call *stmt)
 		 * could have been unset already, in case of a recursive call.
 		 */
 		if (expr->plan && !expr->plan->saved)
+		{
+			SPI_freeplan(expr->plan);
 			expr->plan = NULL;
+		}
 		PG_RE_THROW();
 	}
 	PG_END_TRY();
 
 	if (expr->plan && !expr->plan->saved)
+	{
+		SPI_freeplan(expr->plan);
 		expr->plan = NULL;
+	}
 
 	if (rc < 0)
 		elog(ERROR, "SPI_execute_plan_with_paramlist failed executing query \"%s\": %s",