1 files changed, 4 insertions, 0 deletions
diff --git a/devtools/client/webconsole/components/Output/Message.js b/devtools/client/webconsole/components/Output/Message.js
index ee65c8947a..8fed9fd084 100644
--- a/devtools/client/webconsole/components/Output/Message.js
+++ b/devtools/client/webconsole/components/Output/Message.js
@@ -255,6 +255,10 @@ class Message extends Component {
                     JSON.stringify(
                       this.props.message,
                       function (key, value) {
+                        if (key === "targetFront") {
+                          return null;
+                        }
+
                         // The message can hold one or multiple fronts that we need to serialize
                         if (value?.getGrip) {
                           return value.getGrip();