diff --git a/src/apdu_constants.h b/src/apdu_constants.h
index 41d0207..1937075 100644
--- a/src/apdu_constants.h
+++ b/src/apdu_constants.h
@@ -72,7 +72,7 @@ void handleProvideErc20TokenInformation(uint8_t p1,
                                         unsigned int *tx);
 void handleProvideNFTInformation(uint8_t p1,
                                  uint8_t p2,
-                                 uint8_t *dataBuffer,
+                                 const uint8_t *dataBuffer,
                                  uint16_t dataLength,
                                  unsigned int *flags,
                                  unsigned int *tx);
diff --git a/src_features/provideNFTInformation/cmd_provideNFTInfo.c b/src_features/provideNFTInformation/cmd_provideNFTInfo.c
index 6f53b80..8d373ba 100644
--- a/src_features/provideNFTInformation/cmd_provideNFTInfo.c
+++ b/src_features/provideNFTInformation/cmd_provideNFTInfo.c
@@ -218,7 +218,7 @@ void handleProvideNFTInformation(uint8_t p1,
                         hashId,
                         hash,
                         sizeof(hash),
-                        workBuffer + offset,
+                        (uint8_t *) workBuffer + offset,
                         signatureLen)) {
 #ifndef HAVE_BYPASS_SIGNATURES
         PRINTF("Invalid NFT signature\n");