diff -r f1d54cca1380 abcl.in
--- a/abcl.in	Wed May 12 12:10:25 2010 +0200
+++ b/abcl.in	Thu May 13 14:20:16 2010 +0200
@@ -19,8 +19,13 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
-exec @JAVA@ @ABCL_JAVA_OPTIONS@ \
-  -cp  @ABCL_CLASSPATH@ \
+if [ -z ${CLASSPATH} ]; then
+    CLASSPATH=@ABCL_CLASSPATH@
+else 
+    CLASSPATH=@ABCL_CLASSPATH@:${CLASSPATH}
+fi
+
+CLASSPATH=$CLASSPATH exec @JAVA@ @ABCL_JAVA_OPTIONS@ \
   org.armedbear.lisp.Main \
   "$@"