diff --git a/eo/src/eoProportionalOpSel.h b/eo/src/eoProportionalOpSel.h
index d34fa47d6..3f8cbc997 100644
--- a/eo/src/eoProportionalOpSel.h
+++ b/eo/src/eoProportionalOpSel.h
@@ -59,8 +59,8 @@ public:
   /** Gets a non-const reference to an operator, so that it can be changed, 
     modified or whatever 
     @param _id  a previously assigned ID
-    @throw runtime_error if the ID does not exist*/
-  virtual const eoOp<EOT>& getOp( ID _id ) {
+    @throw runtime_error if the ID does not exist*/
 
+  virtual eoOp<EOT>& getOp( ID _id ) {
      MMF::iterator i=begin();
      ID j = 1;
      while ( (i++!=end()) &&  (j++ != _id) );
diff --git a/eo/test/t-parser.cpp b/eo/test/t-parser.cpp
index 268f391c9..222039e3e 100644
--- a/eo/test/t-parser.cpp
+++ b/eo/test/t-parser.cpp
@@ -17,7 +17,7 @@ void GetOutputParam(Parser & parser,
   try {
     parser.AddTitle("Separate parameter: the output file name");
     _string = parser.getString("-O", "--OutputFile", "", "The output file name" );
-  } catch (UException & e) {
+  } catch (logic_error & e) {
     cout << e.what() << endl;
     parser.printHelp();
     exit(1);
@@ -34,7 +34,7 @@ void sub(Parser & parser) {
   try {
     parser.AddTitle("Private parameters of subroutine sub");
     i =  parser.getInt("-j", "--sint", "5", "private integer of subroutine" );
-  } catch (UException & e) {
+  } catch (logic_error & e) {
     cout << e.what() << endl;
     parser.printHelp();
     exit(1);
@@ -62,7 +62,7 @@ void getParams( Parser & parser,
     _array = parser.getArray("-a", "--array", "a b", "an array enclosed within < >" );
     _boolean = parser.getBool("-b","--bool", "a bool value" );
   }
-  catch (UException & e)
+  catch (logic_error & e)
     {
       cout << e.what() << endl;
       parser.printHelp();