diff --git a/Runtime/GuruRating/Runtime/Code/GuruRating.cs b/Runtime/GuruRating/Runtime/Code/GuruRating.cs
index 8c20898..4b21629 100644
--- a/Runtime/GuruRating/Runtime/Code/GuruRating.cs
+++ b/Runtime/GuruRating/Runtime/Code/GuruRating.cs
@@ -105,7 +105,8 @@ namespace Guru
             if (string.IsNullOrEmpty(subject)) subject = GetDefaultMailTitle();
             if (string.IsNullOrEmpty(body)) body = GetDefaultMailBody();
             
-            string url = $"mailto:{email}&subject={EscapeUrl(subject)}&body={EscapeUrl(body)}";
+            string url = $"mailto:{email}?subject={EscapeUrl(subject)}&body={EscapeUrl(body)}";
+            Debug.Log($"Send Emailto: {url}");
             Application.OpenURL(url);
         }