diff --git a/src/events/components/experiments/experiment.ts b/src/events/components/experiments/experiment.ts
index fee4251658d2..41a0e67f8383 100644
--- a/src/events/components/experiments/experiment.ts
+++ b/src/events/components/experiments/experiment.ts
@@ -54,6 +54,7 @@ export function shouldShowExperiment(
               ? routerQuery.feature.toLowerCase() === experiment.turnOnWithURLParam.toLowerCase()
               : false
           ) {
+            controlGroupOverride[experimentKey] = TREATMENT_VARIATION
             return true
           }
         }