diff --git a/wolfcrypt/src/port/st/stm32.c b/wolfcrypt/src/port/st/stm32.c
index 419136bc6..c56ddaa17 100644
--- a/wolfcrypt/src/port/st/stm32.c
+++ b/wolfcrypt/src/port/st/stm32.c
@@ -1034,7 +1034,7 @@ int stm32_ecc_verify_hash_ex(mp_int *r, mp_int *s, const byte* hash,
     if (hashlen > STM32_MAX_ECC_SIZE) {
         return ECC_BAD_ARG_E;
     }
-    else if (hashlen > size) {
+    else if ((int)hashlen > size) {
         /* in the case that hashlen is larger than key size place hash at
          * beginning of buffer */
         XMEMCPY(Hashbin, hash, size);
@@ -1141,7 +1141,7 @@ int stm32_ecc_sign_hash_ex(const byte* hash, word32 hashlen, WC_RNG* rng,
     if (hashlen > STM32_MAX_ECC_SIZE) {
         return ECC_BAD_ARG_E;
     }
-    else if (hashlen > size) {
+    else if ((int)hashlen > size) {
         /* in the case that hashlen is larger than key size place hash at
          * beginning of buffer */
         XMEMCPY(Hashbin, hash, size);
diff --git a/wolfssl/wolfcrypt/port/st/stm32.h b/wolfssl/wolfcrypt/port/st/stm32.h
index 64810f4f1..dbab9200a 100644
--- a/wolfssl/wolfcrypt/port/st/stm32.h
+++ b/wolfssl/wolfcrypt/port/st/stm32.h
@@ -30,6 +30,8 @@
 
 #ifdef STM32_HASH
 
+#include <stdint.h> /* for uint32_t */
+
 #define WOLFSSL_NO_HASH_RAW
 
 #ifdef HASH_DIGEST