diff --git a/corepkgs/channels/unpack.sh.in b/corepkgs/channels/unpack.sh.in
index 332877b9..80c17702 100644
--- a/corepkgs/channels/unpack.sh.in
+++ b/corepkgs/channels/unpack.sh.in
@@ -10,7 +10,7 @@ echo '[' > $expr
 nr=0
 for i in $inputs; do
     echo "unpacking $i"
-    @bunzip2@ < $i | @tar@ xvf -
+    @bunzip2@ < $i | @tar@ xf -
     @coreutils@/mv * ../$nr # !!! hacky
     echo "(import ./$nr)" >> $expr
     nr=$(($nr + 1))