diff --git a/bin/pubber b/bin/pubber
index 2893e37af..39eaf7443 100755
--- a/bin/pubber
+++ b/bin/pubber
@@ -30,17 +30,15 @@ else
     for option in $*; do
         if [[ $option == *"="* ]]; then
             k=$(echo $option | cut -d'=' -f1)
-            v=$(echo $option | cut -d'=' -f2)
-            if ! [[ $v =~ ^[0-9]+([.][0-9]+)?$ ]]; then
-                v="\"$v\""
-            fi
+            v="\"$(echo $option | cut -d'=' -f2)\""
         else
             k=$option
             v=true
         fi
         printf -v options_json '%s"%s":%s,' "$options_json" "$k" "$v"
     done
-    options_json="{${options_json%?}}"
+    options_json="{${options_json%,}}" 
+
     cloud_region=`jq -r .cloud_region $site_path/cloud_iot_config.json`
     
     cat <<EOF > /tmp/pubber_config.json
diff --git a/pubber/src/main/java/daq/pubber/ConfigurationOptions.java b/pubber/src/main/java/daq/pubber/ConfigurationOptions.java
index 7532d9bd6..c3db6317a 100644
--- a/pubber/src/main/java/daq/pubber/ConfigurationOptions.java
+++ b/pubber/src/main/java/daq/pubber/ConfigurationOptions.java
@@ -5,7 +5,7 @@
  */
 public class ConfigurationOptions {
   public Boolean noHardware = false;
-  public Boolean extraPoint = false;
-  public Boolean extraField = false;
+  public String extraPoint = "";
+  public String extraField = "";
 
 }
diff --git a/pubber/src/main/java/daq/pubber/Pubber.java b/pubber/src/main/java/daq/pubber/Pubber.java
index 197853940..20e9cc03f 100644
--- a/pubber/src/main/java/daq/pubber/Pubber.java
+++ b/pubber/src/main/java/daq/pubber/Pubber.java
@@ -3,7 +3,6 @@
 import static java.util.stream.Collectors.toMap;
 
 import com.fasterxml.jackson.annotation.JsonInclude;
-import com.fasterxml.jackson.databind.MapperFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.SerializationFeature;
 import com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException;
@@ -77,7 +76,6 @@ public class Pubber {
   private static final String UDMI_VERSION = "1.3.14";
   private static final Logger LOG = LoggerFactory.getLogger(Pubber.class);
   private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper()
-      .disable(MapperFeature.ALLOW_COERCION_OF_SCALARS)
       .enable(SerializationFeature.INDENT_OUTPUT)
       .setDateFormat(new ISO8601DateFormat())
       .setSerializationInclusion(JsonInclude.Include.NON_NULL);
@@ -375,12 +373,12 @@ private void initializeDevice() {
     deviceState.system.last_config = new Date(0);
 
     // Pubber runtime options
-    if (configuration.options.extraField) {
-      devicePoints.extraField = "extra_field";
+    if (!configuration.options.extraField.isEmpty()) {
+      devicePoints.extraField = configuration.options.extraField;
     }
 
-    if (configuration.options.extraPoint) {
-      addPoint(makePoint("extra_point",
+    if (!configuration.options.extraPoint.isEmpty()) {
+      addPoint(makePoint(configuration.options.extraPoint,
           makePointPointsetModel(true, 50, 50, "Celsius")));
     }