diff --git a/devtools/client/responsive/components/DeviceForm.js b/devtools/client/responsive/components/DeviceForm.js
index 22866fd2a8a3..f15871f737b2 100644
--- a/devtools/client/responsive/components/DeviceForm.js
+++ b/devtools/client/responsive/components/DeviceForm.js
@@ -62,7 +62,9 @@ class DeviceForm extends PureComponent {
     });
   }
 
-  onDeviceFormSave() {
+  onDeviceFormSave(e) {
+    e.preventDefault();
+
     if (!this.pixelRatioInputRef.current.checkValidity()) {
       return;
     }