diff --git a/lib/gui/components/modal/services/modal.js b/lib/gui/components/modal/services/modal.js
index 31927769..eba4da83 100644
--- a/lib/gui/components/modal/services/modal.js
+++ b/lib/gui/components/modal/services/modal.js
@@ -59,10 +59,15 @@ module.exports = function($uibModal, $q) {
           .then(resolve)
           .catch((error) => {
 
+            // Bootstrap doesn't 'resolve' these but cancels the dialog;
+            // therefore call 'resolve' here applied to 'false'.
+            if (error === 'escape key press' || error === 'backdrop click') {
+              resolve(false);
+
             // For some annoying reason, UI Bootstrap Modal rejects
             // the result reason if the user clicks on the backdrop
             // (e.g: the area surrounding the modal).
-            if (error !== 'backdrop click') {
+            } else if (error !== 'backdrop click') {
               return reject(error);
             }