diff --git a/CARET_trace/include/caret_trace/tp.h b/CARET_trace/include/caret_trace/tp.h
index b46c3cf5..b81ed9dd 100644
--- a/CARET_trace/include/caret_trace/tp.h
+++ b/CARET_trace/include/caret_trace/tp.h
@@ -50,12 +50,12 @@ TRACEPOINT_EVENT(
   TP_ARGS(
     const void *, rmw_publisher_handle_arg,
     const void *, message_arg,
-    int64_t, source_timsestamp_arg
+    int64_t, source_timestamp_arg
   ),
   TP_FIELDS(
     ctf_integer_hex(const void *, rmw_publisher_handle, rmw_publisher_handle_arg)
     ctf_integer_hex(const void *, message, message_arg)
-    ctf_integer(const int64_t, source_timsestamp, source_timsestamp_arg)
+    ctf_integer(const int64_t, source_timestamp, source_timestamp_arg)
   )
 )
 #else
diff --git a/CARET_trace/src/ros_trace_points.cpp b/CARET_trace/src/ros_trace_points.cpp
index c7998915..17d56056 100644
--- a/CARET_trace/src/ros_trace_points.cpp
+++ b/CARET_trace/src/ros_trace_points.cpp
@@ -1224,7 +1224,7 @@ void ros_trace_rmw_take(
 void ros_trace_rmw_publish(
   const void * rmw_publisher_handle,
   const void * message,
-  int64_t source_timsestamp
+  int64_t source_timestamp
 )
 {
   static auto & context = Singleton<Context>::get_instance();
@@ -1235,7 +1235,7 @@ void ros_trace_rmw_publish(
   }
 
   if (trace_filter_is_rcl_publish_recorded) {
-    tracepoint(TRACEPOINT_PROVIDER, dds_write, rmw_publisher_handle, message, source_timsestamp);
+    tracepoint(TRACEPOINT_PROVIDER, dds_write, rmw_publisher_handle, message, source_timestamp);
 #ifdef DEBUG_OUTPUT
     std::cerr << "rmw_publish," <<
       rmw_publisher_handle << "," <<