diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index e4fbb15dfeff..141cf602abbf 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2019-01-15  Marek Polacek  <polacek@redhat.com>
+
+	PR c++/88866
+	* g++.dg/cpp0x/variadic126.C: Tweak dg-error.
+
 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
 
 	PR inline-asm/52813
diff --git a/gcc/testsuite/g++.dg/cpp0x/variadic126.C b/gcc/testsuite/g++.dg/cpp0x/variadic126.C
index 513c7e54a072..a219309f0587 100644
--- a/gcc/testsuite/g++.dg/cpp0x/variadic126.C
+++ b/gcc/testsuite/g++.dg/cpp0x/variadic126.C
@@ -3,6 +3,6 @@
 
 template < typename ... > struct A;
 
-struct B : A <			// { dg-error "invalid" }
+struct B : A <			// { dg-error "invalid" "" { target c++17_down } }
 {
-};
+}; // { dg-error "mismatch|expected" "" { target c++2a } }