diff --git a/css/glowingbear.css b/css/glowingbear.css
index b556e46..60a7e0b 100644
--- a/css/glowingbear.css
+++ b/css/glowingbear.css
@@ -89,6 +89,12 @@ input[type=text], input[type=password], #sendMessage {
     margin-bottom: 5px !important;
 }
 
+.btn-complete-nick {
+    position: relative;
+    overflow: hidden;
+    cursor: pointer;
+}
+
 .btn-send-image {
     position: relative;
     overflow: hidden;
diff --git a/css/themes/base16-default.css b/css/themes/base16-default.css
index 3f91ae8..e01bfcf 100644
--- a/css/themes/base16-default.css
+++ b/css/themes/base16-default.css
@@ -302,7 +302,7 @@ input[type=text], input[type=password], #sendMessage, .badge {
     box-shadow: 0px 1px 0px rgba(255, 255, 255, 0.1), 0px 1px 7px 0px rgba(0, 0, 0, 0.2) inset;
 }
 
-input[type=text], input[type=password], #sendMessage, .btn-send, .btn-send-image {
+input[type=text], input[type=password], #sendMessage, .btn-send, .btn-send-image, .btn-complete-nick {
     color: var(--base05);
     background: var(--base01);
 }
@@ -335,12 +335,19 @@ input[type=text]:-moz-placeholder, input[type=password]:-moz-placeholder { /* Fi
     background: var(--base08);
 }
 
-.btn-send:hover, .btn-send:focus,
-.btn-send-image:hover, .btn-send-image:focus {
+.is-desktop-ui .btn-complete-nick:hover, .btn-complete-nick:focus,
+.is-desktop-ui .btn-send:hover, .btn-send:focus,
+.is-desktop-ui .btn-send-image:hover, .btn-send-image:focus {
     background-color: var(--base07);
     color: var(--base01);
 }
 
+.is-mobile-ui .btn-complete-nick:hover,
+.is-mobile-ui .btn-send:hover,
+.is-mobile-ui .btn-send-image:hover {
+    color: var(--base05);
+}
+
 #connection-infos {
     color: var(--base04);
 }
diff --git a/css/themes/blue.css b/css/themes/blue.css
index 28e4189..39bb4d5 100644
--- a/css/themes/blue.css
+++ b/css/themes/blue.css
@@ -88,17 +88,24 @@ input[type=text], input[type=password], #sendMessage, .badge {
    border: 1px solid #4a5b6c;
 }
 
-input[type=text], input[type=password], #sendMessage, .badge, .btn-send, .btn-send-image {
+input[type=text], input[type=password], #sendMessage, .badge, .btn-send, .btn-send-image, .btn-complete-nick {
     color: #ccc;
     background: none repeat scroll 0% 0% rgba(0, 0, 0, 0.3);
 }
 
-.btn-send:hover, .btn-send:focus,
-.btn-send-image:hover, .btn-send-image:focus {
+.is-desktop-ui .btn-complete-nick:hover, .btn-complete-nick:focus,
+.is-desktop-ui .btn-send:hover, .btn-send:focus,
+.is-desktop-ui .btn-send-image:hover, .btn-send-image:focus {
     background-color: #555;
     color: white;
 }
 
+.is-mobile-ui .btn-complete-nick:hover,
+.is-mobile-ui .btn-send:hover,
+.is-mobile-ui .btn-send-image:hover {
+    color: #ccc;
+}
+
 .nav-pills li:nth-child(2n) {
     background: #283244;
 }
diff --git a/css/themes/dark.css b/css/themes/dark.css
index 40368ee..6812edf 100644
--- a/css/themes/dark.css
+++ b/css/themes/dark.css
@@ -82,17 +82,24 @@ input[type=text], input[type=password], #sendMessage, .badge {
     box-shadow: 0px 1px 0px rgba(255, 255, 255, 0.1), 0px 1px 7px 0px rgba(0, 0, 0, 0.8) inset;
 }
 
-input[type=text], input[type=password], #sendMessage, .badge, .btn-send, .btn-send-image {
+input[type=text], input[type=password], #sendMessage, .badge, .btn-send, .btn-send-image, .btn-complete-nick {
     color: #ccc;
     background: none repeat scroll 0% 0% rgba(0, 0, 0, 0.3);
 }
 
-.btn-send:hover, .btn-send:focus,
-.btn-send-image:hover, .btn-send-image:focus {
+.is-desktop-ui .btn-complete-nick:hover, .btn-complete-nick:focus,
+.is-desktop-ui .btn-send:hover, .btn-send:focus,
+.is-desktop-ui .btn-send-image:hover, .btn-send-image:focus {
     background-color: #555;
     color: white;
 }
 
+.is-mobile-ui .btn-complete-nick:hover,
+.is-mobile-ui .btn-send:hover,
+.is-mobile-ui .btn-send-image:hover {
+    color: #ccc;
+}
+
 #connection-infos {
     color: #aaa;
 }
diff --git a/css/themes/light.css b/css/themes/light.css
index 0ed9c14..ab0c2b2 100644
--- a/css/themes/light.css
+++ b/css/themes/light.css
@@ -27,12 +27,19 @@ html {
     background: #428BCA;
 }
 
+.btn-complete-nick,
 .btn-send,
 .btn-send-image, {
     background: none repeat scroll 0% 0% rgba(255, 255, 255, 0.3);
     color: #428BCA;
 }
 
+.is-mobile-ui .btn-complete-nick:hover,
+.is-mobile-ui .btn-send:hover,
+.is-mobile-ui .btn-send-image:hover {
+    color: #428BCA;
+}
+
 tr.bufferline:hover {
     background-color: #efefef;
 }
diff --git a/directives/input.html b/directives/input.html
index 030708f..48c0877 100644
--- a/directives/input.html
+++ b/directives/input.html
@@ -1,8 +1,9 @@
-<form class="form form-horizontal" id="inputform" ng-submit="sendMessage()" imgur-drop>
+<form class="form form-horizontal" ng-class="utils.isMobileUi() ? 'is-mobile-ui' : 'is-desktop-ui'" id="inputform" ng-submit="sendMessage()" imgur-drop>
   <div class="input-group">
     <textarea id="{{inputId}}" class="form-control favorite-font" ng-trim="false" rows="1" ng-change="inputChanged()" autocomplete="on" ng-model="command" ng-focus="hideSidebar()">
     </textarea>
     <span class="input-group-btn">
+      <button class="btn btn-complete-nick unselectable" title="Complete nick" ng-hide="!utils.isMobileUi()" ng-click="handleCompleteNickButton($event)"><i class="glyphicon glyphicon-bullhorn"></i></button>
       <label class="btn btn-send-image unselectable" for="imgur-upload" title="Send image">
         <i class="glyphicon glyphicon-picture"></i>
         <input type="file" accept="image/*" multiple title="Send image" id="imgur-upload" class="imgur-upload" file-change="uploadImage($event, files)">
diff --git a/js/inputbar.js b/js/inputbar.js
index 4777988..17ef481 100644
--- a/js/inputbar.js
+++ b/js/inputbar.js
@@ -14,7 +14,7 @@ weechat.directive('inputBar', function() {
             command: '=command'
         },
 
-        controller: ['$rootScope', '$scope', '$element', '$log', 'connection', 'imgur', 'models', 'IrcUtils', 'settings', function($rootScope,
+        controller: ['$rootScope', '$scope', '$element', '$log', 'connection', 'imgur', 'models', 'IrcUtils', 'settings', 'utils', function($rootScope,
                              $scope,
                              $element, //XXX do we need this? don't seem to be using it
                              $log,
@@ -22,7 +22,11 @@ weechat.directive('inputBar', function() {
                              imgur,
                              models,
                              IrcUtils,
-                             settings) {
+                             settings,
+                             utils) {
+
+            // Expose utils to be able to check if we're on a mobile UI
+            $scope.utils = utils;
 
             // E.g. Turn :smile: into the unicode equivalent
             $scope.inputChanged = function() {
@@ -497,6 +501,17 @@ weechat.directive('inputBar', function() {
                     return true;
                 }
             };
+
+            $scope.handleCompleteNickButton = function($event) {
+                $event.preventDefault();
+                $scope.completeNick();
+
+                setTimeout(function() {
+                    $scope.getInputNode().focus();
+                }, 0);
+
+                return true;
+            };
         }]
     };
 });