diff --git a/cmds/atrace/atrace.cpp b/cmds/atrace/atrace.cpp
index c6b3dce2d..c6fda9772 100644
--- a/cmds/atrace/atrace.cpp
+++ b/cmds/atrace/atrace.cpp
@@ -77,6 +77,7 @@ static const TracingCategory k_categories[] = {
     { "audio",  "Audio",            ATRACE_TAG_AUDIO, { } },
     { "video",  "Video",            ATRACE_TAG_VIDEO, { } },
     { "camera", "Camera",           ATRACE_TAG_CAMERA, { } },
+    { "hal",    "Hardware Modules", ATRACE_TAG_HAL, { } },
     { "sched",  "CPU Scheduling",   0, {
         { REQ,  "/sys/kernel/debug/tracing/events/sched/sched_switch/enable" },
         { REQ,  "/sys/kernel/debug/tracing/events/sched/sched_wakeup/enable" },