diff --git a/fmt/format.h b/fmt/format.h
index a4379da3..72e7c1bf 100644
--- a/fmt/format.h
+++ b/fmt/format.h
@@ -139,6 +139,15 @@ typedef __int64          intmax_t;
 # define FMT_HAS_CPP_ATTRIBUTE(x) 0
 #endif
 
+// Use the compiler's attribute noreturn
+#if defined(__MINGW32__) || defined(__MINGW64__)
+# define FMT_NORETURN __attribute__((noreturn))
+#elif FMT_HAS_CPP_ATTRIBUTE(noreturn)
+# define FMT_NORETURN [[noreturn]]
+#else
+# define FMT_NORETURN
+#endif
+
 #ifndef FMT_USE_VARIADIC_TEMPLATES
 // Variadic templates are available in GCC since version 4.4
 // (http://gcc.gnu.org/projects/cxx0x.html) and in Visual C++
@@ -923,7 +932,7 @@ struct IntTraits {
     TypeSelector<std::numeric_limits<T>::digits <= 32>::Type MainType;
 };
 
-FMT_API void report_unknown_type(char code, const char *type);
+FMT_API FMT_NORETURN void report_unknown_type(char code, const char *type);
 
 // Static data is placed in this class template to allow header-only
 // configuration.