diff --git a/wolfcrypt/src/integer.c b/wolfcrypt/src/integer.c
index 75e7ca7b0d..91e457cdee 100644
--- a/wolfcrypt/src/integer.c
+++ b/wolfcrypt/src/integer.c
@@ -1392,10 +1392,10 @@ LBL_ERR:mp_clear(&x);
 
 
 /* compare magnitude of two ints (unsigned) */
-int mp_cmp_mag (mp_int * a, mp_int * b)
+int mp_cmp_mag (const mp_int * a, const mp_int * b)
 {
   int     n;
-  mp_digit *tmpa, *tmpb;
+  const mp_digit *tmpa, *tmpb;
 
   /* compare based on # of non-zero digits */
   if (a->used > b->used) {
@@ -1430,7 +1430,7 @@ int mp_cmp_mag (mp_int * a, mp_int * b)
 
 
 /* compare two ints (signed)*/
-int mp_cmp (mp_int * a, mp_int * b)
+int mp_cmp (const mp_int * a, const mp_int * b)
 {
   /* compare based on sign */
   if (a->sign != b->sign) {
diff --git a/wolfssl/wolfcrypt/integer.h b/wolfssl/wolfcrypt/integer.h
index 6dd4baea04..7e4792a6d5 100644
--- a/wolfssl/wolfcrypt/integer.h
+++ b/wolfssl/wolfcrypt/integer.h
@@ -345,8 +345,8 @@ MP_API int  mp_abs (mp_int * a, mp_int * b);
 MP_API int  mp_invmod (mp_int * a, mp_int * b, mp_int * c);
 int  fast_mp_invmod (mp_int * a, mp_int * b, mp_int * c);
 MP_API int  mp_invmod_slow (mp_int * a, mp_int * b, mp_int * c);
-MP_API int  mp_cmp_mag (mp_int * a, mp_int * b);
-MP_API int  mp_cmp (mp_int * a, mp_int * b);
+MP_API int  mp_cmp_mag (const mp_int * a, const mp_int * b);
+MP_API int  mp_cmp (const mp_int * a, const mp_int * b);
 #define mp_cmp_ct(a, b, n) mp_cmp(a, b)
 MP_API int  mp_cmp_d(mp_int * a, mp_digit b);
 MP_API int  mp_set (mp_int * a, mp_digit b);