diff --git a/Appl/CEP/CS1/CS1_InputSection/include/CS1_InputSection/WH_RSPInput.h b/Appl/CEP/CS1/CS1_InputSection/include/CS1_InputSection/WH_RSPInput.h
index f15914a56e45ebed363907049140200c7a0bafb5..3d2e051f91e661faa4a5f67a4f1f9a19118263ed 100644
--- a/Appl/CEP/CS1/CS1_InputSection/include/CS1_InputSection/WH_RSPInput.h
+++ b/Appl/CEP/CS1/CS1_InputSection/include/CS1_InputSection/WH_RSPInput.h
@@ -101,7 +101,6 @@ namespace LOFAR
       // synced stamp
       TimeStamp itsSyncedStamp;
      
-      int itsNSubbands;
       int itsNSubbandsPerCell;
       int itsNSamplesPerSec;
       int itsNHistorySamples;
diff --git a/Appl/CEP/CS1/CS1_InputSection/src/WH_RSPInput.cc b/Appl/CEP/CS1/CS1_InputSection/src/WH_RSPInput.cc
index 1adc268a8eba2f6e7671095bd5c1dd6f7b02bc38..3136f3d700a517cee6a7bea60e8b4f31c7928437 100644
--- a/Appl/CEP/CS1/CS1_InputSection/src/WH_RSPInput.cc
+++ b/Appl/CEP/CS1/CS1_InputSection/src/WH_RSPInput.cc
@@ -70,7 +70,6 @@ namespace LOFAR {
       char str[32];
 
       // get parameters
-      itsNSubbands = ps.getInt32("Observation.NSubbands") * ps.getInt32("Observation.NStations") / ps.getInt32("Input.NRSPBoards");
       itsNSubbandsPerCell = ps.getInt32("General.SubbandsPerPset") * ps.getInt32("BGLProc.PsetsPerCell");
       itsNSamplesPerSec = ps.getInt32("Observation.NSubbandSamples");
       itsNHistorySamples = (ps.getInt32("BGLProc.NPPFTaps") - 1) * ps.getInt32("Observation.NChannels");
@@ -139,7 +138,7 @@ namespace LOFAR {
     {
       // create the buffer controller.
       int cyclicBufferSize = itsPS.getInt32("Input.NSamplesToBuffer");
-      int subbandsToReadFromFrame = itsNSubbands * itsPS.getInt32("Observation.NStations") / itsPS.getInt32("Input.NRSPBoards");
+      int subbandsToReadFromFrame = itsPS.getInt32("Observation.NSubbands") * itsPS.getInt32("Observation.NStations") / itsPS.getInt32("Input.NRSPBoards");
       ASSERTSTR(subbandsToReadFromFrame <= itsPS.getInt32("Input.NSubbandsPerFrame"), subbandsToReadFromFrame << " < " << itsPS.getInt32("Input.NSubbandsPerFrame"));
 
       itsBBuffer = new BeamletBuffer(cyclicBufferSize, subbandsToReadFromFrame, cyclicBufferSize/6, cyclicBufferSize/6);