diff --git a/javascript/imageviewer.js b/javascript/imageviewer.js
index 6ca2b4a9..95b8108d 100644
--- a/javascript/imageviewer.js
+++ b/javascript/imageviewer.js
@@ -53,6 +53,9 @@ function modalKeyHandler(event){
         case "ArrowRight":
             modalNextImage(event)
             break;
+        case "Escape":
+            closeModal();
+            break;
     }
 }