diff --git a/Makefile.defs b/Makefile.defs
index e99455b..bb2b263 100644
--- a/Makefile.defs
+++ b/Makefile.defs
@@ -100,6 +100,8 @@ perl[Automake__XFile] = automake
 /usr/sbin/pwconv= pwdutils
 /usr/sbin/pwunconv= pwdutils
 
+libgs.so.9 = ghostscript
+
 # openoffice
 openofficei18n = OpenOffice-i18n-$(LANGUAGE)