diff --git a/ghcup b/ghcup
index e812fb6..ede4b03 100755
--- a/ghcup
+++ b/ghcup
@@ -1038,19 +1038,19 @@ unpack() {
     case "${file_ext}" in
         xz)
             if test "${mydistro}" = "darwin"; then
-              debug_message "tar -xzf \"${filename}\""
-              ( tar -xzf "${filename}" ) || die "unpacking failed!"
+              debug_message "tar xf \"${filename}\""
+              ( tar xf "${filename}" ) || die "unpacking failed!"
             else
               debug_message "xz -cd \"${filename}\" | tar -xf -"
-              ( xz -cd "${filename}" | tar -xf - ; ) || die "unpacking failed!"
+              ( xz -cd "${filename}" | tar xf - ; ) || die "unpacking failed!"
             fi
             ;;
         gz)
             debug_message "gzip -cd \"${filename}\" | tar -xf -"
-            ( gzip -cd "${filename}" | tar -xf - ; ) || die "unpacking failed!"
+            ( gzip -cd "${filename}" | tar xf - ; ) || die "unpacking failed!"
             ;;
         tar)
-            edo tar -xf "${filename}"
+            edo tar xf "${filename}"
             ;;
         *)
             die "Unknown file extension: \"${file_ext}\""