diff --git a/media/webrtc/signaling/test/mediaconduit_unittests.cpp b/media/webrtc/signaling/test/mediaconduit_unittests.cpp
index 9de46eced66..7c8ed117d65 100644
--- a/media/webrtc/signaling/test/mediaconduit_unittests.cpp
+++ b/media/webrtc/signaling/test/mediaconduit_unittests.cpp
@@ -749,7 +749,7 @@ TEST_F(TransportConduitTest, TestVideoConduitCodecAPI) {
 int main(int argc, char **argv)
 {
   // This test can cause intermittent oranges on the builders
-  CHECK_ENVIRONMENT_FLAG("MOZ_WEBRTC_TESTS")
+  CHECK_ENVIRONMENT_FLAG("MOZ_WEBRTC_MEDIACONDUIT_TESTS")
 
   test_utils = new MtransportTestUtils();
   ::testing::InitGoogleTest(&argc, argv);