diff --git a/bin/pubber b/bin/pubber
index c7645a9184..a2db8a8bce 100755
--- a/bin/pubber
+++ b/bin/pubber
@@ -27,7 +27,7 @@ if (($# == 0)); then
     $ROOT_DIR/pubber/bin/run $project_id $site_path $device_id $serial_no
 else
     declare -A options
-    regex_numeric="^\d+([.]\d+)?$"
+    regex_numeric="^[0-9]+([.][0-9]+)?$"
     
     for option in $*; do
         if [[ $option == *"="* ]]; then