diff --git a/include/boost/integer.hpp b/include/boost/integer.hpp
index 6a3cc1a..9fa0019 100644
--- a/include/boost/integer.hpp
+++ b/include/boost/integer.hpp
@@ -91,7 +91,8 @@ namespace boost
   template <> struct exact_signed_base_helper<sizeof(int)* CHAR_BIT> { typedef int exact; };
   template <> struct exact_unsigned_base_helper<sizeof(unsigned int)* CHAR_BIT> { typedef unsigned int exact; };
 #endif
-#if ULONG_MAX != UINT_MAX
+#if ULONG_MAX != UINT_MAX && ( !defined __TI_COMPILER_VERSION__ || \
+    ( __TI_COMPILER_VERSION__ >= 7000000 && !defined __TI_40BIT_LONG__ ) )
   template <> struct exact_signed_base_helper<sizeof(long)* CHAR_BIT> { typedef long exact; };
   template <> struct exact_unsigned_base_helper<sizeof(unsigned long)* CHAR_BIT> { typedef unsigned long exact; };
 #endif