diff --git a/recipes-isdn/dahdi-tools/files/perl_install.patch b/recipes-isdn/dahdi-tools/files/perl_install.patch
new file mode 100755
index 0000000..adcda2b
--- /dev/null
+++ b/recipes-isdn/dahdi-tools/files/perl_install.patch
@@ -0,0 +1,13 @@
+Index: dahdi-tools-2.6.0/xpp/Makefile
+===================================================================
+--- dahdi-tools-2.6.0.orig/xpp/Makefile	2011-07-11 00:25:18.000000000 +0800
++++ dahdi-tools-2.6.0/xpp/Makefile	2012-07-21 23:30:58.244897984 +0800
+@@ -28,7 +28,7 @@
+ DATADIR		= $(datadir)/dahdi
+ MANDIR		= $(mandir)/man8
+ HOTPLUG_USB_DIR	= $(sysconfdir)/hotplug/usb
+-PERLLIBDIR	:= $(shell eval `perl -V:sitelib`; echo "$$sitelib")
++PERLLIBDIR	= $(DAHDI_PERLLIBDIR)
+ PERL_DIRS	:= $(shell cd perl_modules; find * -name '[A-Z]*' -type d| xargs)
+ PERL_MODS_PAT	:= *.pm $(PERL_DIRS:%=%/*.pm)
+ PERL_MODS	:= $(shell cd perl_modules; echo $(PERL_MODS_PAT))