Index: /trunk/FACT++/src/ftmctrl.cc
===================================================================
--- /trunk/FACT++/src/ftmctrl.cc	(revision 11464)
+++ /trunk/FACT++/src/ftmctrl.cc	(revision 11465)
@@ -1457,9 +1457,9 @@
     int SetClockFrequency(const EventImp &evt)
     {
-        if (!CheckEventSize(evt.GetSize(), "SetClockFrequency", 4))
+        if (!CheckEventSize(evt.GetSize(), "SetClockFrequency", 2))
             return T::kSM_FatalError;
 
         const map<uint16_t,boost::array<uint64_t, 8>>::const_iterator it =
-            fClockCondSetup.find(evt.GetUInt());
+            fClockCondSetup.find(evt.GetUShort());
 
         if (it==fClockCondSetup.end())