diff --git a/Appl/CEP/CS1/CS1_InputSection/include/CS1_InputSection/BeamletBuffer.h b/Appl/CEP/CS1/CS1_InputSection/include/CS1_InputSection/BeamletBuffer.h
index dc9ccd69472f0e7db1cc230688957c200a3dbf8c..460d3472aec014f2401c59fc02264dd22a994257 100644
--- a/Appl/CEP/CS1/CS1_InputSection/include/CS1_InputSection/BeamletBuffer.h
+++ b/Appl/CEP/CS1/CS1_InputSection/include/CS1_InputSection/BeamletBuffer.h
@@ -33,6 +33,7 @@
 #include <Common/lofar_complex.h>
 #include <Common/Timer.h>
 #include <CS1_InputSection/LockedRange.h>
+#include <CS1_Interface/DH_RSP.h>
 #include <CS1_Interface/RSPTimeStamp.h>
 #include <CS1_Interface/SparseSet.h>
 
@@ -45,8 +46,7 @@ namespace LOFAR
     // @{
 
     class Beamlet {
-      i16complex Xpol;
-      i16complex Ypol;
+      DH_RSP::BufferType Xpol, Ypol;
     };
 
     // A BeamletBuffer can hold the beamlets coming from the rspboards
diff --git a/Appl/CEP/CS1/CS1_Interface/include/CS1_Interface/CS1_Config.h b/Appl/CEP/CS1/CS1_Interface/include/CS1_Interface/CS1_Config.h
index b7b048ed19bbf5210a26f5b18deadea1637756f3..3b0e546c2cddf2fd5bd621e8a6b8219ed83c3bc2 100644
--- a/Appl/CEP/CS1/CS1_Interface/include/CS1_Interface/CS1_Config.h
+++ b/Appl/CEP/CS1/CS1_Interface/include/CS1_Interface/CS1_Config.h
@@ -57,4 +57,12 @@
 #define I4COMPLEX_TYPE		   1
 #define I16COMPLEX_TYPE		   2
 
+#if INPUT_TYPE == I4COMPLEX_TYPE
+#define INPUT_SAMPLE_TYPE	   i4complex
+#elif INPUT_TYPE == I16COMPLEX_TYPE
+#define INPUT_SAMPLE_TYPE	   i16complex
+#else
+#error Bad INPUT_TYPE
+#endif
+
 #endif
diff --git a/Appl/CEP/CS1/CS1_Interface/include/CS1_Interface/DH_RSP.h b/Appl/CEP/CS1/CS1_Interface/include/CS1_Interface/DH_RSP.h
index f74176b67bb9837797781b07f18461b12f55c88e..12f60872a113bf1af60fb0c0e3f2b04c4acc1ae7 100644
--- a/Appl/CEP/CS1/CS1_Interface/include/CS1_Interface/DH_RSP.h
+++ b/Appl/CEP/CS1/CS1_Interface/include/CS1_Interface/DH_RSP.h
@@ -26,6 +26,7 @@
 
 #include <APS/ParameterSet.h>
 #include <Transport/DataHolder.h>
+#include <CS1_Interface/CS1_Config.h>
 #include <CS1_Interface/RSPTimeStamp.h>
 #include <CS1_Interface/RectMatrix.h>
 #include <CS1_Interface/SparseSet.h>
@@ -38,7 +39,7 @@ namespace LOFAR
     class DH_RSP: public DataHolder
     {
     public:
-      typedef i16complex BufferType;
+      typedef INPUT_SAMPLE_TYPE BufferType;
 
       explicit DH_RSP (const string &name,
                        const ACC::APS::ParameterSet &pset);
diff --git a/Appl/CEP/CS1/CS1_Interface/include/CS1_Interface/DH_Subband.h b/Appl/CEP/CS1/CS1_Interface/include/CS1_Interface/DH_Subband.h
index 200fddbdb5340b5c02658c165a7083896839da32..9083949203f43adf50e3dd91dd28c867cd4acdd2 100644
--- a/Appl/CEP/CS1/CS1_Interface/include/CS1_Interface/DH_Subband.h
+++ b/Appl/CEP/CS1/CS1_Interface/include/CS1_Interface/DH_Subband.h
@@ -44,13 +44,7 @@ class DH_Subband: public DataHolder
   public:
     // samples are ALWAYS stored in little endian format !
 
-#if   INPUT_TYPE == I4COMPLEX_TYPE
-    typedef i4complex  SampleType;
-#elif INPUT_TYPE == I16COMPLEX_TYPE
-    typedef i16complex SampleType;
-#else
-#error INPUT_TYPE not supported
-#endif
+    typedef INPUT_SAMPLE_TYPE SampleType;
 
     // Fine-grained delays
     typedef struct {