diff --git a/app/assets/stylesheets/components/email-message.scss b/app/assets/stylesheets/components/email-message.scss
index 6604495f2..4317303cd 100644
--- a/app/assets/stylesheets/components/email-message.scss
+++ b/app/assets/stylesheets/components/email-message.scss
@@ -45,6 +45,7 @@
     border-top: 1px solid $border-colour;
     border-bottom: 1px solid $border-colour;
     position: relative;
+    word-wrap: break-word;
 
     &-wrapper {