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-rwxr-xr-xparallel_xz.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/parallel_xz.sh b/parallel_xz.sh
index bc08a548d..f1b6cdd15 100755
--- a/parallel_xz.sh
+++ b/parallel_xz.sh
@@ -23,4 +23,4 @@ test "$procgroup" = 1 && exec xargs -r xz
# xz has some startup cost. If files are really small,
# this cost might be significant. To combat this,
# process several files (in sequence) by each xz process via -n 16:
-exec xargs -r -n 16 -P $procgroup xz
+exec xargs -r -n 16 -P "$procgroup" xz