diff --git a/wolfcrypt/src/aes.c b/wolfcrypt/src/aes.c
index 4494fadc7..327290a71 100644
--- a/wolfcrypt/src/aes.c
+++ b/wolfcrypt/src/aes.c
@@ -6049,13 +6049,13 @@ static int wc_AesGcmEncrypt_STM32(Aes* aes, byte* out, const byte* in, word32 sz
         /* GCM payload phase - partial remainder */
         XMEMSET(partialBlock, 0, sizeof(partialBlock));
         XMEMCPY(partialBlock, in + (blocks * AES_BLOCK_SIZE), partial);
-        status = HAL_CRYPEx_AESGCM_Encrypt(&hcryp, partialBlock, partial,
-            partialBlock, STM32_HAL_TIMEOUT);
+        status = HAL_CRYPEx_AESGCM_Encrypt(&hcryp, (uint8_t*)partialBlock, partial,
+            (uint8_t*)partialBlock, STM32_HAL_TIMEOUT);
         XMEMCPY(out + (blocks * AES_BLOCK_SIZE), partialBlock, partial);
     }
     if (status == HAL_OK) {
         /* Compute the authTag */
-        status = HAL_CRYPEx_AESGCM_Finish(&hcryp, sz, tag, STM32_HAL_TIMEOUT);
+        status = HAL_CRYPEx_AESGCM_Finish(&hcryp, sz, (uint8_t*)tag, STM32_HAL_TIMEOUT);
     }
 #endif