diff --git a/drools-compiler/src/main/java/org/drools/compiler/GlobalError.java b/drools-compiler/src/main/java/org/drools/compiler/GlobalError.java
index d37b889546c..84cb4a9f291 100644
--- a/drools-compiler/src/main/java/org/drools/compiler/GlobalError.java
+++ b/drools-compiler/src/main/java/org/drools/compiler/GlobalError.java
@@ -20,10 +20,12 @@
 
 public class GlobalError extends DroolsError {
     private final GlobalDescr globalDescr;
+    private String message;
 
-    public GlobalError(final GlobalDescr globalDescr) {
+    public GlobalError(final GlobalDescr globalDescr, String message) {
         super(globalDescr.getResource());
         this.globalDescr = globalDescr;
+        this.message = message;
     }
 
     @Override
@@ -40,11 +42,11 @@ public int[] getLines() {
     }
 
     public String getMessage() {
-        return getGlobal();
+        return message;
     }
     
     public String toString() {
-        return "GlobalError: " + getGlobal();
+        return "GlobalError: " + getGlobal() + " : " + message;
     }
 
 }
diff --git a/drools-compiler/src/main/java/org/drools/compiler/PackageBuilder.java b/drools-compiler/src/main/java/org/drools/compiler/PackageBuilder.java
index cb13fa1139f..b54d04f8bbb 100644
--- a/drools-compiler/src/main/java/org/drools/compiler/PackageBuilder.java
+++ b/drools-compiler/src/main/java/org/drools/compiler/PackageBuilder.java
@@ -1437,12 +1437,16 @@ private void processGlobals(PackageRegistry pkgRegistry, PackageDescr packageDes
 
             try {
                 Class<?> clazz = pkgRegistry.getTypeResolver().resolveType(className);
+                if ( clazz.isPrimitive() ) {
+                    this.results.add( new GlobalError( global, " Primitive types are not allowed in globals : " + className ) );
+                    return;
+                }
                 pkgRegistry.getPackage().addGlobal( identifier,
                                                     clazz );
                 this.globals.put( identifier,
                                   clazz );
             } catch (final ClassNotFoundException e) {
-                this.results.add( new GlobalError( global ) );
+                this.results.add( new GlobalError( global, e.getMessage() ) );
                 e.printStackTrace();
             }
         }
diff --git a/drools-compiler/src/test/java/org/drools/integrationtests/MiscTest2.java b/drools-compiler/src/test/java/org/drools/integrationtests/MiscTest2.java
index 1ab75a5eaa6..ae7a4eb6fd6 100644
--- a/drools-compiler/src/test/java/org/drools/integrationtests/MiscTest2.java
+++ b/drools-compiler/src/test/java/org/drools/integrationtests/MiscTest2.java
@@ -2522,4 +2522,18 @@ public void testBindingComplexExpressionErrors() {
 
 
 
+    @Test
+    public void testPrimitiveGlobals() {
+        String drl = "package org.drools.compiler.integrationtests\n" +
+                     "\n" +
+                     "global int foo;\n" +
+                     "\n" +
+                     "";
+        KnowledgeBuilder kb = KnowledgeBuilderFactory.newKnowledgeBuilder();
+        kb.add( new ByteArrayResource( drl.getBytes() ), ResourceType.DRL );
+        System.out.println( kb.getErrors() );
+        assertTrue( kb.hasErrors() );
+    }
+
+
 }
\ No newline at end of file