diff --git a/libkineto/include/ActivityType.h b/libkineto/include/ActivityType.h
index 1c0555417..e0e00999b 100644
--- a/libkineto/include/ActivityType.h
+++ b/libkineto/include/ActivityType.h
@@ -32,6 +32,7 @@ enum class ActivityType {
 
     // Optional Activity types
     GLOW_RUNTIME, // host side glow runtime events
+    MTIA_RUNTIME, // host side MTIA runtime events
     CUDA_PROFILER_RANGE, // CUPTI Profiler range for performance metrics
     MTIA_CCP_EVENTS, // MTIA ondevice CCP events
     HPU_OP, // HPU host side runtime event
diff --git a/libkineto/src/ActivityType.cpp b/libkineto/src/ActivityType.cpp
index ba6fb6742..fcbb80ba9 100644
--- a/libkineto/src/ActivityType.cpp
+++ b/libkineto/src/ActivityType.cpp
@@ -31,6 +31,7 @@ static constexpr std::array<ActivityTypeName, activityTypeCount + 1> map{{
     {"python_function", ActivityType::PYTHON_FUNCTION},
     {"overhead", ActivityType::OVERHEAD},
     {"glow_runtime", ActivityType::GLOW_RUNTIME},
+    {"mtia_runtime", ActivityType::MTIA_RUNTIME},
     {"cuda_profiler_range", ActivityType::CUDA_PROFILER_RANGE},
     {"mtia_ccp_events", ActivityType::MTIA_CCP_EVENTS},
     {"hpu_op", ActivityType::HPU_OP},