--- a/stdext/gzip.ml
+++ b/stdext/gzip.ml
@@ -34,7 +34,7 @@
 let lower_priority cmd args =
   let ionice="/usr/bin/ionice" in
   let ionice_args=["-c";"3"] in (*io idle*)
-  let nice="/bin/nice" in
+  let nice="/usr/bin/nice" in
   let nice_args=["-n";"19"] in (*lowest priority*)
   let extra_args=nice_args@[ionice]@ionice_args in
   let new_cmd=nice in
