diff --git a/src/main/java/au/com/centrumsystems/hudson/plugin/buildpipeline/BuildForm.java b/src/main/java/au/com/centrumsystems/hudson/plugin/buildpipeline/BuildForm.java
index 25a65a87..32ee6882 100644
--- a/src/main/java/au/com/centrumsystems/hudson/plugin/buildpipeline/BuildForm.java
+++ b/src/main/java/au/com/centrumsystems/hudson/plugin/buildpipeline/BuildForm.java
@@ -94,7 +94,7 @@ private BuildForm(ItemGroup context, final PipelineBuild pipelineBuild, final Co
         }
         id = hashCode();
         final AbstractProject<?, ?> project = pipelineBuild.getProject();
-        projectId = project.getFullName().hashCode();
+        projectId = project.getFullName().hashCode() & 0x7FFFFFFF;
         final ParametersDefinitionProperty params = project.getProperty(ParametersDefinitionProperty.class);
         final ArrayList<String> paramList = new ArrayList<String>();
         if (params != null && params.getParameterDefinitionNames() != null) {
diff --git a/src/main/java/au/com/centrumsystems/hudson/plugin/buildpipeline/ProjectForm.java b/src/main/java/au/com/centrumsystems/hudson/plugin/buildpipeline/ProjectForm.java
index e8c8bb30..8fbda5f2 100644
--- a/src/main/java/au/com/centrumsystems/hudson/plugin/buildpipeline/ProjectForm.java
+++ b/src/main/java/au/com/centrumsystems/hudson/plugin/buildpipeline/ProjectForm.java
@@ -240,7 +240,7 @@ public boolean equals(final Object obj) {
     }
 
     public int getId() {
-        return name.hashCode();
+        return name.hashCode() & 0x7FFFFFFF;
     }
 
     /**