diff --git a/recovery_test.go b/recovery_test.go
index 0d77e3f..1b3408f 100644
--- a/recovery_test.go
+++ b/recovery_test.go
@@ -106,7 +106,7 @@ func newTestOutput() *testOutput {
 }
 
 func (t *testOutput) FormatPanicError(rw http.ResponseWriter, r *http.Request, infos *PanicInformation) {
-	fmt.Fprintf(t, formatInfos(infos))
+	fmt.Fprint(t, formatInfos(infos))
 }
 
 func formatInfos(infos *PanicInformation) string {