Index: drools-compiler/src/main/java/org/drools/semantics/java/DeclarationTypeFixer.java
===================================================================
--- drools-compiler/src/main/java/org/drools/semantics/java/DeclarationTypeFixer.java	(revision 0)
+++ drools-compiler/src/main/java/org/drools/semantics/java/DeclarationTypeFixer.java	(revision 0)
@@ -0,0 +1,25 @@
+/**
+ * 
+ */
+package org.drools.semantics.java;
+
+import org.drools.base.ClassObjectType;
+import org.drools.rule.Declaration;
+
+/**
+ * @author fburlet
+ * @author gdupriez
+ *
+ */
+public class DeclarationTypeFixer {
+    
+    public String fix(Declaration declaration) {
+        Class classType = ((ClassObjectType) declaration.getObjectType()).getClassType();
+        if (classType.isArray()) {
+            return classType.getComponentType().getName().concat("[]");
+        } else {
+            // Does this replacement usefull in the declaration type ??
+            return classType.getName().replace('$', '.');
+        }
+    }
+}
Index: drools-compiler/src/main/java/org/drools/semantics/java/RuleBuilder.java
===================================================================
--- drools-compiler/src/main/java/org/drools/semantics/java/RuleBuilder.java	(revision 9334)
+++ drools-compiler/src/main/java/org/drools/semantics/java/RuleBuilder.java	(working copy)
@@ -112,6 +112,7 @@
 
     private static final KnowledgeHelperFixer knowledgeHelperFixer = new KnowledgeHelperFixer();
     private static final FunctionFixer        functionFixer        = new FunctionFixer();
+    private static final DeclarationTypeFixer declarationTypeFixer = new DeclarationTypeFixer();
 
     // @todo move to an interface so it can work as a decorator
     private final JavaExprAnalyzer            analyzer             = new JavaExprAnalyzer();
@@ -680,8 +681,7 @@
         st.setAttribute( "declaration",
                          declaration );
         st.setAttribute( "declarationType",
-                         ((ClassObjectType) declaration.getObjectType()).getClassType().getName().replace( '$',
-                                                                                                           '.' ) );
+                         RuleBuilder.declarationTypeFixer.fix(declaration));
 
         setStringTemplateAttributes( st,
                                      declarations,
@@ -711,8 +711,7 @@
         st.setAttribute( "declaration",
                          declaration );
         st.setAttribute( "declarationType",
-                         ((ClassObjectType) declaration.getObjectType()).getClassType().getName().replace( '$',
-                                                                                                           '.' ) );
+                         RuleBuilder.declarationTypeFixer.fix(declaration));
 
         setStringTemplateAttributes( st,
                                      declarations,
@@ -896,8 +895,7 @@
                                              final String text) {
         final String[] declarationTypes = new String[declarations.length];
         for ( int i = 0, size = declarations.length; i < size; i++ ) {
-            declarationTypes[i] = ((ClassObjectType) declarations[i].getObjectType()).getClassType().getName().replace( '$',
-                                                                                                                        '.' );
+            declarationTypes[i] = declarationTypeFixer.fix(declarations[i]);
         }
 
         final List globalTypes = new ArrayList( globals.length );