diff --git a/fuzz.go b/fuzz.go
index e735631..6e99d9d 100644
--- a/fuzz.go
+++ b/fuzz.go
@@ -358,7 +358,7 @@ func (fc *fuzzerContext) doFuzz(v reflect.Value, flags uint64) {
 	case reflect.Interface:
 		fallthrough
 	default:
-		panic(fmt.Sprintf("Can't handle %#v", v.Interface()))
+		panic(fmt.Sprintf("Can't handle type %v with value %#v", v.Type(), v.Interface()))
 	}
 }