diff --git a/openVulkanoCpp/Extensions/FmtFormatter.hpp b/openVulkanoCpp/Extensions/FmtFormatter.hpp
index 737ec30..48c22d0 100644
--- a/openVulkanoCpp/Extensions/FmtFormatter.hpp
+++ b/openVulkanoCpp/Extensions/FmtFormatter.hpp
@@ -323,6 +323,7 @@ struct fmt::formatter<OpenVulkano::Math::Timestamp>
     }
 };
 
+#ifdef USING_CUSTOM_FLOAT16
 template<>
 struct fmt::formatter<float16> : fmt::formatter<float>
 {
@@ -332,6 +333,7 @@ struct fmt::formatter<float16> : fmt::formatter<float>
         return fmt::formatter<float>::format(static_cast<float>(f), ctx);
     }
 };
+#endif
 
 template<>
 struct fmt::formatter<OpenVulkano::int24> : fmt::formatter<int32_t>
diff --git a/openVulkanoCpp/Math/Float16.hpp b/openVulkanoCpp/Math/Float16.hpp
index 160e6f4..8cc7531 100644
--- a/openVulkanoCpp/Math/Float16.hpp
+++ b/openVulkanoCpp/Math/Float16.hpp
@@ -18,6 +18,7 @@
 #elif __has_keyword(__fp16)
 	typedef __fp16      float16;
 #else
+#define USING_CUSTOM_FLOAT16
 
 class float16
 {