diff --git a/js/components/ascribe_detail/edition_container.js b/js/components/ascribe_detail/edition_container.js
index c49b87ba..fdc18c39 100644
--- a/js/components/ascribe_detail/edition_container.js
+++ b/js/components/ascribe_detail/edition_container.js
@@ -55,7 +55,7 @@ let EditionContainer = React.createClass({
         const { editionError } = this.state;
 
         if(editionError && editionError.status === 404) {
-            this.throws(new ResourceNotFoundError(getLangText('Oops, the edition you\'re looking for doesn\'t exist.')));
+            this.throws(new ResourceNotFoundError(getLangText("Oops, the edition you're looking for doesn't exist.")));
         }
     },
 
diff --git a/js/components/ascribe_detail/piece_container.js b/js/components/ascribe_detail/piece_container.js
index 0b4cfbb1..44b9357c 100644
--- a/js/components/ascribe_detail/piece_container.js
+++ b/js/components/ascribe_detail/piece_container.js
@@ -86,7 +86,7 @@ let PieceContainer = React.createClass({
         const { pieceError } = this.state;
 
         if(pieceError && pieceError.status === 404) {
-            this.throws(new ResourceNotFoundError(getLangText('Oops, the piece you\'re looking for doesn\'t exist.')));
+            this.throws(new ResourceNotFoundError(getLangText("Oops, the piece you're looking for doesn't exist.")));
         }
     },
 
diff --git a/js/components/error_not_found_page.js b/js/components/error_not_found_page.js
index 64776f2f..0e111ce7 100644
--- a/js/components/error_not_found_page.js
+++ b/js/components/error_not_found_page.js
@@ -12,7 +12,7 @@ let ErrorNotFoundPage = React.createClass({
 
     getDefaultProps() {
         return {
-            message: getLangText('Oops, the page you are looking for does not exist.')
+            message: getLangText("Oops, the page you are looking for doesn't exist.")
         };
     },
 
diff --git a/js/mixins/react_error.js b/js/mixins/react_error.js
index 1169a069..14f33a61 100644
--- a/js/mixins/react_error.js
+++ b/js/mixins/react_error.js
@@ -4,9 +4,12 @@ import invariant from 'invariant';
 
 const ReactError = {
     throws(err) {
-        invariant(err.handler, 'Error thrown to ReactError did not have a `handler` function');
-        console.logGlobal('Error thrown to ReactError did not have a `handler` function');
-        err.handler(this, err);
+        if(!err.handler) {
+            invariant(err.handler, 'Error thrown to ReactError did not have a `handler` function');
+            console.logGlobal('Error thrown to ReactError did not have a `handler` function');
+        } else {
+            err.handler(this, err);
+        }
     }
 };
 
diff --git a/js/models/errors.js b/js/models/errors.js
index e748d953..4573afe4 100644
--- a/js/models/errors.js
+++ b/js/models/errors.js
@@ -19,9 +19,7 @@ export class ResourceNotFoundError extends Error {
     }
 
     handler(component, err) {
-        const { displayName } = component.constructor;
-        const monkeyPatchedKey = typeof displayName === 'string' ? `_${displayName}MonkeyPatched`
-                                                                 : '_monkeyPatched';
+        const monkeyPatchedKey = `_${this.name}MonkeyPatched`;
 
         if(!component.state[monkeyPatchedKey]) {
             component.render = () => <ErrorNotFoundPage message={err.message} />;