diff --git a/include/ios b/include/ios
index 1deb5f6..cbea478 100644
--- a/include/ios
+++ b/include/ios
@@ -231,7 +231,7 @@
 class _LIBCPP_TYPE_VIS ios_base
 {
 public:
-    class _LIBCPP_TYPE_VIS failure;
+    class _LIBCPP_EXCEPTION_ABI failure;
 
     typedef unsigned int fmtflags;
     static const fmtflags boolalpha   = 0x0001;