1 files changed, 6 insertions, 3 deletions
diff --git a/app/assets/javascripts/content_editor/services/serialization_helpers.js b/app/assets/javascripts/content_editor/services/serialization_helpers.js
index ed5910fca18..4d5a54c0347 100644
--- a/app/assets/javascripts/content_editor/services/serialization_helpers.js
+++ b/app/assets/javascripts/content_editor/services/serialization_helpers.js
@@ -1,4 +1,4 @@
-import { uniq } from 'lodash';
+import { uniq, isString } from 'lodash';
 
 const defaultAttrs = {
   td: { colspan: 1, rowspan: 1, colwidth: null },
@@ -325,9 +325,12 @@ export function renderHardBreak(state, node, parent, index) {
 
 export function renderImage(state, node) {
   const { alt, canonicalSrc, src, title } = node.attrs;
-  const quotedTitle = title ? ` ${state.quote(title)}` : '';
 
-  state.write(`![${state.esc(alt || '')}](${state.esc(canonicalSrc || src)}${quotedTitle})`);
+  if (isString(src) || isString(canonicalSrc)) {
+    const quotedTitle = title ? ` ${state.quote(title)}` : '';
+
+    state.write(`![${state.esc(alt || '')}](${state.esc(canonicalSrc || src)}${quotedTitle})`);
+  }
 }
 
 export function renderPlayable(state, node) {