diff --git a/src/Illuminate/Mail/resources/views/html/themes/default.css b/src/Illuminate/Mail/resources/views/html/themes/default.css
index 350fb838fa6b..2483b11685a3 100644
--- a/src/Illuminate/Mail/resources/views/html/themes/default.css
+++ b/src/Illuminate/Mail/resources/views/html/themes/default.css
@@ -113,6 +113,7 @@ img {
 
 .logo {
     height: 75px;
+    max-height: 75px;
     width: 75px;
 }