diff --git a/src/assets/images/ajax-loader.gif b/src/assets/images/ajax-loader.gif
new file mode 100644
index 0000000..7e717cd
Binary files /dev/null and b/src/assets/images/ajax-loader.gif differ
diff --git a/src/js/components/inviteForm.jsx b/src/js/components/inviteForm.jsx
index 5018008..0cdeeac 100644
--- a/src/js/components/inviteForm.jsx
+++ b/src/js/components/inviteForm.jsx
@@ -9,6 +9,7 @@ module.exports = React.createClass({
     return {
       email: '',
       submitted: false,
+      sending: false,
       error: null
     };
   },
@@ -17,6 +18,7 @@ module.exports = React.createClass({
 
     this.setState({
       submitted: false,
+      sending: true,
       error: null
     });
 
@@ -27,10 +29,10 @@ module.exports = React.createClass({
     .catch(this.handleError);
   },
   handleSuccess() {
-    this.setState({submitted: true});
+    this.setState({submitted: true, sending: false});
   },
   handleError(err) {
-    this.setState({error: err});
+    this.setState({error: err, sending: false});
   },
   onChange(e) {
     if(e.target.value === this.state.email) {
@@ -46,7 +48,8 @@ module.exports = React.createClass({
     var formClasses = classSet({
       'invite-form': true,
       'has-success': this.state.submitted,
-      'has-error': this.state.error
+      'has-error': this.state.error,
+      'sending': this.state.sending
     });
 
     var inputClasses = classSet({
@@ -91,6 +94,9 @@ module.exports = React.createClass({
           disabled={this.state.error || this.state.submitted}>
           ⏎
         </button>
+        <span
+          className='loader'>
+        </span>
         {feedbackMessage}
       </form>
       )
diff --git a/src/styles/style.styl b/src/styles/style.styl
index ec8ec61..0f6add4 100644
--- a/src/styles/style.styl
+++ b/src/styles/style.styl
@@ -116,6 +116,20 @@ section:first-child
     color rgba(255, 255, 255, 0.5)
     &:active
       border-bottom 0
+  .loader
+    position absolute
+    right 9px
+    top 9px
+    width 0px
+    height 0px
+    background transparent url('../images/ajax-loader.gif') no-repeat center center
+    display block
+  &.sending
+    .btn
+      display none
+    .loader
+      width 28px
+      height 28px
 
 @keyframes drop
   0%