diff --git a/live-build/ubuntu-cpc/hooks/031-root-xz.binary b/live-build/ubuntu-cpc/hooks/031-root-xz.binary
index 9d710d73..62881cd8 100644
--- a/live-build/ubuntu-cpc/hooks/031-root-xz.binary
+++ b/live-build/ubuntu-cpc/hooks/031-root-xz.binary
@@ -8,7 +8,7 @@ if [ -n "$SUBARCH" ]; then
     exit 0
 fi
 
-. /build/config/functions
+. config/functions
 
 tardir=filesystem.dir
 mkdir $tardir