diff --git a/build/makepack-dolibarr.pl b/build/makepack-dolibarr.pl
index cf5b17bc04d..1d9cd12d3b9 100644
--- a/build/makepack-dolibarr.pl
+++ b/build/makepack-dolibarr.pl
@@ -78,7 +78,7 @@ if (! $TEMP || ! -d $TEMP) {
     sleep 2;
     exit 2;
 } 
-$BUILDROOT.="$TEMP/buildroot";
+$BUILDROOT="$TEMP/buildroot";