diff --git a/lib/gui/app.js b/lib/gui/app.js
index 8da48ab4..fa2e36a6 100644
--- a/lib/gui/app.js
+++ b/lib/gui/app.js
@@ -210,7 +210,7 @@ app.controller('AppController', function(
       }
 
       this.selectImage(image);
-    });
+    }).catch(this.handleError);
   };
 
   this.selectDrive = (drive) => {
@@ -222,7 +222,9 @@ app.controller('AppController', function(
   };
 
   this.openDriveSelector = () => {
-    DriveSelectorService.open().then(this.selectDrive);
+    DriveSelectorService.open()
+      .then(this.selectDrive)
+      .catch(this.handleError);
   };
 
   this.reselectImage = () => {