diff --git a/programming/misc/libical/actions.py b/programming/misc/libical/actions.py
index 86fb042c4b..15dec42c22 100644
--- a/programming/misc/libical/actions.py
+++ b/programming/misc/libical/actions.py
@@ -8,7 +8,8 @@ from pisi.actionsapi import cmaketools
 from pisi.actionsapi import pisitools
 
 def setup():
-    cmaketools.configure()
+    cmaketools.configure("-DCMAKE_INSTALL_PREFIX=/usr \
+                          -DCMAKE_INSTALL_LIBDIR=/usr/lib")
 
 def build():
     cmaketools.make()