diff --git a/bin/pwdb b/bin/pwdb
index 507e2bb..8218be2 100755
--- a/bin/pwdb
+++ b/bin/pwdb
@@ -38,8 +38,8 @@ EOF
     exit ${1:-0}
 }
 
-# Let -i option default to number of CPU cores, use the output of nproc for this.
-#JOBS=$(nproc)
+# Let -i option default to number of CPU cores.
+JOBS=$(getconf _NPROCESSORS_ONLN)
 
 db_exec()
 {