diff --git a/gcc/go/gofrontend/parse.cc b/gcc/go/gofrontend/parse.cc
index 6eb1981a4be9..df28d2baf4b8 100644
--- a/gcc/go/gofrontend/parse.cc
+++ b/gcc/go/gofrontend/parse.cc
@@ -2491,7 +2491,7 @@ Parse::operand(bool may_be_sink)
       if (token->is_op(OPERATOR_LPAREN))
 	{
 	  this->advance_token();
-	  ret = this->expression(PRECEDENCE_NORMAL, false, true, NULL);
+	  ret = this->expression(PRECEDENCE_NORMAL, may_be_sink, true, NULL);
 	  if (!this->peek_token()->is_op(OPERATOR_RPAREN))
 	    error_at(this->location(), "missing %<)%>");
 	  else