diff --git a/examples/platform/linux/AppMain.cpp b/examples/platform/linux/AppMain.cpp
index c19db28b6b4467..876e0da8bc3751 100644
--- a/examples/platform/linux/AppMain.cpp
+++ b/examples/platform/linux/AppMain.cpp
@@ -146,7 +146,8 @@ static bool EnsureWiFiIsStarted()
 class SampleTestEventTriggerDelegate : public TestEventTriggerDelegate
 {
 public:
-    static constexpr uint64_t kSampleTestEventTriggerAlwaysSuccess = static_cast<uint64_t>(0xFFFF'FFFF'FFFF'FFFEull);
+    /// NOTE: If you copy this, please use the reserved range FFFF_FFFF_<VID_HEX>_xxxx for your trigger codes.
+    static constexpr uint64_t kSampleTestEventTriggerAlwaysSuccess = static_cast<uint64_t>(0xFFFF'FFFF'FFF1'0000ull);
 
     SampleTestEventTriggerDelegate() { memset(&mEnableKey[0], 0, sizeof(mEnableKey)); }
 
diff --git a/src/python_testing/TC_TestEventTrigger.py b/src/python_testing/TC_TestEventTrigger.py
index d5604e6f7b7a47..8834417e41d847 100644
--- a/src/python_testing/TC_TestEventTrigger.py
+++ b/src/python_testing/TC_TestEventTrigger.py
@@ -31,7 +31,7 @@
 kAllZerosKey = bytes(b"\x00" * 16)
 
 # Assumes `SampleTestEventTriggerDelegate` as it exists in Linux AppMain.cpp
-kValidEventTrigger = 0xFFFF_FFFF_FFFF_FFFE
+kValidEventTrigger = 0xFFFF_FFFF_FFF1_0000
 kInvalidEventTrigger = 0  # Per TC-DGEN-2.3