diff --git a/src/main/java/hudson/plugins/gearman/StartJobWorker.java b/src/main/java/hudson/plugins/gearman/StartJobWorker.java
index 33bfd83..45e022f 100644
--- a/src/main/java/hudson/plugins/gearman/StartJobWorker.java
+++ b/src/main/java/hudson/plugins/gearman/StartJobWorker.java
@@ -20,6 +20,8 @@
 package hudson.plugins.gearman;
 
 import hudson.model.Action;
+import hudson.model.ParameterDefinition;
+import hudson.model.ParametersDefinitionProperty;
 import hudson.model.ParameterValue;
 import hudson.model.Result;
 import hudson.model.AbstractBuild;
@@ -158,6 +160,19 @@ public class StartJobWorker extends AbstractGearmanFunction {
             for (Map.Entry<String, String> entry : inParams.entrySet()) {
                 buildParams.add(new TextParameterValue(entry.getKey(), entry.getValue()));
             }
+
+            ParametersDefinitionProperty property =
+                      (ParametersDefinitionProperty) project.getProperty(
+                          ParametersDefinitionProperty.class);
+
+             if (property != null) {
+                 List<ParameterValue> result  = new ArrayList<ParameterValue>();
+                 for (ParameterDefinition def : property.getParameterDefinitions()) {
+                       result.add(def.getDefaultParameterValue());
+                       buildParams.add(def.getDefaultParameterValue());
+                   }
+             }
+
             String offline = inParams.get("OFFLINE_NODE_WHEN_COMPLETE");
             if (offline != null) {
                 if (offline.equals("1") || offline.equals("true") ||