diff --git a/eo/config.cache b/eo/config.cache
index 8f137b2a..c576c6ba 100644
--- a/eo/config.cache
+++ b/eo/config.cache
@@ -20,10 +20,10 @@ ac_cv_header_stdc=${ac_cv_header_stdc=yes}
 ac_cv_lib_eo_main=${ac_cv_lib_eo_main=no}
 ac_cv_lib_eoutils_main=${ac_cv_lib_eoutils_main=no}
 ac_cv_lib_m_main=${ac_cv_lib_m_main=yes}
-ac_cv_path_install=${ac_cv_path_install=$'/usr/bin/install -c'}
-ac_cv_prog_CPP=${ac_cv_prog_CPP=$'cc -E'}
+ac_cv_path_install=${ac_cv_path_install='$/usr/bin/install -c'}
+ac_cv_prog_CPP=${ac_cv_prog_CPP='$cc -E'}
 ac_cv_prog_CXX=${ac_cv_prog_CXX=c++}
-ac_cv_prog_LN_S=${ac_cv_prog_LN_S=$'ln -s'}
+ac_cv_prog_LN_S=${ac_cv_prog_LN_S='$ln -s'}
 ac_cv_prog_RANLIB=${ac_cv_prog_RANLIB=ranlib}
 ac_cv_prog_cxx_cross=${ac_cv_prog_cxx_cross=no}
 ac_cv_prog_cxx_g=${ac_cv_prog_cxx_g=yes}
diff --git a/eo/src/EO.h b/eo/src/EO.h
index bf9a76ef..1e5d784c 100644
--- a/eo/src/EO.h
+++ b/eo/src/EO.h
@@ -124,7 +124,14 @@ public:
     // A random value would so be printed.
     // Even a non-evaluated EO is also serializable ...
 
-      _os << repFitness << ' '; // trailing space to make reading in that much easier
+
+    // From now on instead of printing an invalid fitness value
+    // a default value is printed (for paradisEO)
+    
+	if (invalid())
+		_os << Fitness() << ' ';
+	else	
+	      _os << repFitness << ' '; // trailing space to make reading in that much easier
   }
 
   //@}