diff --git a/src/roscontroller.cpp b/src/roscontroller.cpp
index 7e9e546..cd2c371 100644
--- a/src/roscontroller.cpp
+++ b/src/roscontroller.cpp
@@ -743,7 +743,7 @@ with size.........  |   /
   uint16_t tmphead[4];
   tmphead[1] = (uint16_t)message_number;
   // uint32_t stime = (uint32_t)(ros::Time::now().toSec());   //(uint32_t)(logical_clock.toSec() * 100000);
-  memcpy((void*)(tmphead + 2), (void*)&stime, sizeof(uint32_t));
+  memcpy((void*)(tmphead + 2), (void*)&ctime, sizeof(uint32_t));
   uint64_t rheader[1];
   rheader[0] = 0;
   payload_out.sysid = (uint8_t)robot_id;