diff --git a/configure b/configure
index c156e9a..5c3ca1e 100755
--- a/configure
+++ b/configure
@@ -15166,7 +15166,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 CPPFLAGS="$CPPFLAGS -Wall -g -fexceptions"
-CXXFLAGS="$CPPFLAGS -Wall -g -fexceptions"
+CXXFLAGS="$CXXFLAGS -Wall -g -fexceptions"
 
 WXCONFIG=wx-config
 LIBXMLCONFIG=xml2-config
@@ -15250,7 +15250,7 @@ $as_echo "not found" >&6; }
 	fi
 
 CPPFLAGS="$CPPFLAGS $WX_CPPFLAGS"
-CXXFLAGS="$CXXFLAGS $WX_CPPFLAGS"
+CXXFLAGS="$CXXFLAGS $WX_CXXFLAGS"
 
 
 
diff --git a/configure.in b/configure.in
index ec975ee..94c2530 100644
--- a/configure.in
+++ b/configure.in
@@ -7,7 +7,7 @@ AC_LIBTOOL_DLOPEN
 AC_PROG_LIBTOOL
 
 CPPFLAGS="$CPPFLAGS -Wall -g -fexceptions"
-CXXFLAGS="$CPPFLAGS -Wall -g -fexceptions"
+CXXFLAGS="$CXXFLAGS -Wall -g -fexceptions"
 
 WXCONFIG=wx-config
 LIBXMLCONFIG=xml2-config
@@ -83,7 +83,7 @@ AC_DEFUN([LIBXSLTTEST],
 LIBXSLTTEST
 
 CPPFLAGS="$CPPFLAGS $WX_CPPFLAGS"
-CXXFLAGS="$CXXFLAGS $WX_CPPFLAGS"
+CXXFLAGS="$CXXFLAGS $WX_CXXFLAGS"
 
 AC_SUBST(WX_LIBS)