diff --git a/system_wrappers/source/cpu_features.cc b/system_wrappers/source/cpu_features.cc
index 09897c436c..0f81212894 100644
--- a/system_wrappers/source/cpu_features.cc
+++ b/system_wrappers/source/cpu_features.cc
@@ -79,7 +79,7 @@ int GetCPUInfo(CPUFeature feature) {
   }
 #if defined(WEBRTC_ENABLE_AVX2)
   if (feature == kAVX2 &&
-      webrtc::field_trial::IsEnabled("WebRTC-ActivateAvx2Support")) {
+      !webrtc::field_trial::IsEnabled("WebRTC-Avx2SupportKillSwitch")) {
     int cpu_info7[4];
     __cpuid(cpu_info7, 0);
     int num_ids = cpu_info7[0];