diff --git a/src/sha1.c b/src/sha1.c
index 9af4f04..cc84df8 100644
--- a/src/sha1.c
+++ b/src/sha1.c
@@ -244,7 +244,7 @@ void SHA1_Update(SHA1_CTX* context, const uint8_t* data, const size_t len)
 
 
 /* Add padding and return the message digest. */
-void SHA1_Final(SHA1_CTX* context, uint8_t digest[SHA1_DIGEST_SIZE])
+void SHA1_Final(SHA1_CTX* context, uint8_t *digest)
 {
     uint32_t i;
     uint8_t  finalcount[8];
diff --git a/src/sha1.h b/src/sha1.h
index 10266cb..d0391ae 100644
--- a/src/sha1.h
+++ b/src/sha1.h
@@ -25,7 +25,7 @@ typedef struct {
 
 void SHA1_Init(SHA1_CTX* context);
 void SHA1_Update(SHA1_CTX* context, const uint8_t* data, const size_t len);
-void SHA1_Final(SHA1_CTX* context, uint8_t digest[SHA1_DIGEST_SIZE]);
+void SHA1_Final(SHA1_CTX* context, uint8_t *digest);
 
 #ifdef __cplusplus
 }