diff --git a/src/js/directive/common.js b/src/js/directive/common.js
index 483c39e..11ed6a4 100644
--- a/src/js/directive/common.js
+++ b/src/js/directive/common.js
@@ -173,6 +173,16 @@ ngModule.directive('woClickFileInput', function() {
     };
 });
 
+ngModule.directive('woFingerprint', function($timeout) {
+    return function(scope, elm) {
+        return $timeout(function() {
+            // add space after every fourth char to make pgp fingerprint more readable
+            var fingerprint = elm.text().replace(/(\w{4})/g, '$1 ').trim();
+            elm.text(fingerprint);
+        });
+    };
+});
+
 ngModule.directive('woInputCode', function() {
     var BLOCK_SIZE = 4;
     var NUM_BLOCKS = 6;
diff --git a/src/tpl/contacts.html b/src/tpl/contacts.html
index fe611a6..0932eb4 100644
--- a/src/tpl/contacts.html
+++ b/src/tpl/contacts.html
@@ -31,7 +31,7 @@
         </p>
         <dl class="contacts__long-description">
           <dt>Fingerprint</dt>
-          <dd>{{key.fingerprint}}</dd>
+          <dd wo-fingerprint>{{key.fingerprint}}</dd>
 
           <dt>Size</dt>
           <dd>{{key.bitSize}} bit</dd>