diff --git a/cyassl/ctaocrypt/integer.h b/cyassl/ctaocrypt/integer.h
index 74d97fd0d..d1f0aad57 100644
--- a/cyassl/ctaocrypt/integer.h
+++ b/cyassl/ctaocrypt/integer.h
@@ -110,7 +110,7 @@ extern "C" {
    #endif
 #endif
 
-   typedef unsigned long      mp_digit;
+   typedef unsigned int       mp_digit;  /* long could be 64 now, changed TAO */
    typedef ulong64            mp_word;
 
 #ifdef MP_31BIT