diff --git a/LCS/Common/include/Common/InputParSet.h b/LCS/Common/include/Common/InputParSet.h
index 37a1ba66d38157934a0b93c60358118a58138ce4..a072cff2baed1c461734238f2c48ed5972054a2d 100644
--- a/LCS/Common/include/Common/InputParSet.h
+++ b/LCS/Common/include/Common/InputParSet.h
@@ -31,7 +31,7 @@
 #include <Common/ParameterSet.h>
 
 //# Forward declare Input.
-namespace casacore {
+namespace casa {
   class Input;
 }
 
@@ -105,7 +105,7 @@ namespace LOFAR {
     string getDefault (map<string,IPV>::const_iterator iter) const;
 
     ParameterSet itsParSet;
-    casacore::Input* itsInput;
+    casa::Input* itsInput;
     bool         itsUsePS;     //# true = use ParameterSet
     string       itsVersion;
     map<string, IPV> itsParms;