diff --git a/checked_delete_test.cpp b/checked_delete_test.cpp
index 161b49f..f5c799e 100644
--- a/checked_delete_test.cpp
+++ b/checked_delete_test.cpp
@@ -23,9 +23,8 @@ namespace
 
 int main()
 {
-    Incomplete * p;
+    Incomplete * p = 0;
     boost::checked_delete(p);          // should cause compile time error
-    Incomplete ** pa;
-    boost::checked_array_delete(pa);   // should cause compile time error
+    boost::checked_array_delete(p);    // should cause compile time error
     return 0;
 }   // main
diff --git a/include/boost/checked_delete.hpp b/include/boost/checked_delete.hpp
index f2300dd..3f7ca47 100644
--- a/include/boost/checked_delete.hpp
+++ b/include/boost/checked_delete.hpp
@@ -26,13 +26,14 @@ namespace boost
 
 template<class T> inline void checked_delete(T * x)
 {
-    typedef char type_must_be_complete[sizeof(T)];
+    // Intel 7 accepts sizeof(incomplete) as 0 in system headers
+    typedef char type_must_be_complete[ sizeof(T)? 1: -1 ];
     delete x;
 }
 
 template<class T> inline void checked_array_delete(T * x)
 {
-    typedef char type_must_be_complete[sizeof(T)];
+    typedef char type_must_be_complete[ sizeof(T)? 1: -1 ];
     delete [] x;
 }
 
@@ -43,6 +44,7 @@ template<class T> struct checked_deleter
 
     void operator()(T * x) const
     {
+        // boost:: disables ADL
         boost::checked_delete(x);
     }
 };