diff --git a/features/frameworks/unity/unity/unity.h b/features/frameworks/unity/unity/unity.h
index 31f4af53aa..45d6a065f9 100644
--- a/features/frameworks/unity/unity/unity.h
+++ b/features/frameworks/unity/unity/unity.h
@@ -20,6 +20,8 @@ extern "C"
 #define UNITY_SUPPORT_64
 // support double precision floating point
 #define UNITY_INCLUDE_DOUBLE
+// support float values in error print
+#define UNITY_FLOAT_VERBOSE
 
 #include "unity_internals.h"