diff --git a/src/devtools/views/Elements/KeyValue.css b/src/devtools/views/Elements/KeyValue.css
index d8d94b11a2..7a9e2dbf4a 100644
--- a/src/devtools/views/Elements/KeyValue.css
+++ b/src/devtools/views/Elements/KeyValue.css
@@ -14,6 +14,7 @@
 
 .Value {
   color: var(--color-attribute-value);
+  word-break: break-all;
 }
 
 .None {