diff --git a/src/configure b/src/configure
index 5cb169c56..e46ad2c21 100755
--- a/src/configure
+++ b/src/configure
@@ -1507,7 +1507,7 @@ if test "${with_clx+set}" = set; then
   withval="$with_clx"
   clx="${withval}"
 else
-  clx=yes
+  clx=no
 fi;
 
 # Check whether --with-cxx or --without-cxx was given.
diff --git a/src/configure.in b/src/configure.in
index 1ed3fe21c..482b41d60 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -104,7 +104,7 @@ AC_ARG_WITH(clos-streams,
 AC_ARG_WITH(clx,
 	AS_HELP_STRING([--with-clx],
 		       [include CLX library (default is NO)]),
-	[clx="${withval}"],[clx=yes])
+	[clx="${withval}"],[clx=no])
 AC_ARG_WITH(cxx,
 	AS_HELP_STRING([--with-cxx],
 		       [build ECL using C++ compiler (default is NO)]),