diff --git a/CEP/Calibration/BBSTools/include/BBSTools/addUV2MS.h b/CEP/Calibration/BBSTools/include/BBSTools/addUV2MS.h
index bc1c4bda422c1d86825dbdbd00c62efffcdcd36b..f67502120a9fbaed86b4b157ca10eb1af9a50bfa 100644
--- a/CEP/Calibration/BBSTools/include/BBSTools/addUV2MS.h
+++ b/CEP/Calibration/BBSTools/include/BBSTools/addUV2MS.h
@@ -27,6 +27,7 @@
 
 #include <vector>
 #include <string>
+#include <map>
 #include <casacore/casa/Arrays/Vector.h>
 #include <synthesis/MeasurementEquations/Imager.h>          // casarest ft()
 
@@ -47,7 +48,7 @@ void addModelColumn ( casacore::MeasurementSet &ms,
                       const casacore::String &dataManName);
 casacore::Double getMSReffreq(const casacore::MeasurementSet &ms);
 casacore::Double getMSChanwidth(const casacore::MeasurementSet &ms);
-map<string, double>  patchFrequency(casacore::MeasurementSet &ms, 
+std::map<string, double>  patchFrequency(casacore::MeasurementSet &ms,
                                     const casacore::Vector<casacore::String> &patchNames);
 bool validModelImage(const casacore::String &imageName, std::string &error);
 unsigned int makeTempImages(const casacore::Vector<casacore::String> &patchNames,