2 files changed, 4 insertions, 4 deletions
diff --git a/ext/mixed/js/display.js b/ext/mixed/js/display.js
index 228e554a..9beb2c52 100644
--- a/ext/mixed/js/display.js
+++ b/ext/mixed/js/display.js
@@ -39,11 +39,11 @@ class Display {
     }
 
     onError(error) {
-        throw 'Override me';
+        throw new Error('Override me');
     }
 
     onSearchClear() {
-        throw 'Override me';
+        throw new Error('Override me');
     }
 
     onSourceTermView(e) {
@@ -386,7 +386,7 @@ class Display {
                     viewerButton.dataset.noteId = noteId;
                 }
             } else {
-                throw 'Note could note be added';
+                throw new Error('Note could not be added');
             }
         } catch (e) {
             this.onError(e);
diff --git a/ext/mixed/js/extension.js b/ext/mixed/js/extension.js
index 5c803132..1a87003d 100644
--- a/ext/mixed/js/extension.js
+++ b/ext/mixed/js/extension.js
@@ -34,7 +34,7 @@ function toIterable(value) {
         }
     }
 
-    throw 'Could not convert to iterable';
+    throw new Error('Could not convert to iterable');
 }
 
 function extensionHasChrome() {