diff --git a/src/main/swap/index.html b/src/main/swap/index.html
index 0eef885..9f1e7ba 100644
--- a/src/main/swap/index.html
+++ b/src/main/swap/index.html
@@ -101,6 +101,10 @@
             <div data-output-token="">B</div>
             <input data-input-amount="" type="number"/>
             <input data-output-amount="" type="number"/>
+            <input
+                class="pure-button pure-button-primary"
+                type="submit"
+                value="Exchange!" />
 
             <div class="route-list">
                 <div>1000 A   to  3000 B   (0.3% fee)</div>