diff --git a/libstdc++-v3/include/bits/basic_ios.h b/libstdc++-v3/include/bits/basic_ios.h
index bc3be4d2e37..2c2334d0fe3 100644
--- a/libstdc++-v3/include/bits/basic_ios.h
+++ b/libstdc++-v3/include/bits/basic_ios.h
@@ -171,7 +171,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 	// Turn this on without causing an ios::failure to be thrown.
 	_M_streambuf_state |= __state;
 	if (this->exceptions() & __state)
-	  __throw_exception_again;
+	  { __throw_exception_again; }
       }
 
       /**