diff --git a/src/ThreadedGSM.cpp b/src/ThreadedGSM.cpp
index b998361..547a1a0 100644
--- a/src/ThreadedGSM.cpp
+++ b/src/ThreadedGSM.cpp
@@ -41,7 +41,7 @@ void ThreadedGSM::setup()
 {
 
     mRequests = (REQ_STARTUP);
-    TimeBase.attachLoop(this);
+    Chronos::attachLoop(this);
 }
 
 // Call this function for executing thread