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-rw-r--r--src/common.hpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/common.hpp b/src/common.hpp
index dec40191..3c99e57b 100644
--- a/src/common.hpp
+++ b/src/common.hpp
@@ -15,7 +15,7 @@
#define __attribute__(x) /* no-op */
#endif
-#define FMT(ss) (dynamic_cast< ::std::stringstream&>(::std::stringstream() << ss).str())
+#define FMT(ss) (static_cast<::std::ostringstream&&>(::std::ostringstream() << ss).str())
// XXX: Evil hack - Define 'mv$' to be ::std::move
#define mv$(x) ::std::move(x)
#define box$(...) ::make_unique_ptr(::std::move(__VA_ARGS__))