diff --git a/Src/IACore/inc/hpp/IACore/Exception.hpp b/Src/IACore/inc/hpp/IACore/Exception.hpp
index 39fad19..c933923 100644
--- a/Src/IACore/inc/hpp/IACore/Exception.hpp
+++ b/Src/IACore/inc/hpp/IACore/Exception.hpp
@@ -131,7 +131,9 @@ private:
   DO(SECURITY_BYPASS)
 #define DEFINE_THROWER(name)                                                   \
   template <typename... Args> NORETURN VOID THROW_##name(Args... args) {       \
-    throw RuntimeException(ExceptionKind::name, BuildString(args...));         \
+    const auto msg = BuildString(args...); \
+    printf(#name " %s\n", msg.c_str()); \
+    throw RuntimeException(ExceptionKind::name, msg);         \
   }
 FOR_EACH_RUNTIME_EXCEPT_TYPE(DEFINE_THROWER);
 #undef DEFINE_THROWER