diff --git a/app/assets/stylesheets/components/email-message.scss b/app/assets/stylesheets/components/email-message.scss
index 990a52135..15dbab8c7 100644
--- a/app/assets/stylesheets/components/email-message.scss
+++ b/app/assets/stylesheets/components/email-message.scss
@@ -47,6 +47,7 @@ $white-50-opaque: rgba($white, 0.5);
     border-top: 1px solid $border-colour;
     border-bottom: 1px solid $border-colour;
     position: relative;
+    word-wrap: break-word;
 
     &-wrapper {