diff --git a/devtools/client/debugger/src/components/Editor/index.js b/devtools/client/debugger/src/components/Editor/index.js
index 03bf29344c45..ef3d4f1a446e 100644
--- a/devtools/client/debugger/src/components/Editor/index.js
+++ b/devtools/client/debugger/src/components/Editor/index.js
@@ -141,7 +141,11 @@ class Editor extends PureComponent {
   UNSAFE_componentWillReceiveProps(nextProps) {
     let { editor } = this.state;
 
-    if (!editor && nextProps.selectedSource) {
+    if (!editor) {
+      // See Bug 1913061
+      if (!nextProps.selectedSource) {
+        return;
+      }
       editor = this.setupEditor();
     }