diff --git a/stylesheets/_conversation.scss b/stylesheets/_conversation.scss
index f1fef07f..22b28c65 100644
--- a/stylesheets/_conversation.scss
+++ b/stylesheets/_conversation.scss
@@ -52,6 +52,7 @@
   .key {
     font-family: monospace;
     padding: 0 1em;
+    -webkit-user-select: text;
   }
 }
 
diff --git a/stylesheets/manifest.css b/stylesheets/manifest.css
index c7bddb64..09ca7ce0 100644
--- a/stylesheets/manifest.css
+++ b/stylesheets/manifest.css
@@ -620,7 +620,8 @@ input.search {
     padding: 1em; }
   .key-verification .key {
     font-family: monospace;
-    padding: 0 1em; }
+    padding: 0 1em;
+    -webkit-user-select: text; }
 
 .message-detail .container {
   height: calc(100% - (36px + 4px)); }