1 files changed, 1 insertions, 1 deletions
diff --git a/src/server/shared/Cryptography/SHA1.h b/src/server/shared/Cryptography/SHA1.h
index 19c9f2da411..42da3c483e5 100755
--- a/src/server/shared/Cryptography/SHA1.h
+++ b/src/server/shared/Cryptography/SHA1.h
@@ -41,7 +41,7 @@ class SHA1Hash
         void Finalize();
 
         uint8 *GetDigest(void) { return mDigest; };
-        int GetLength(void) { return SHA_DIGEST_LENGTH; };
+        int GetLength(void) const { return SHA_DIGEST_LENGTH; };
 
     private:
         SHA_CTX mC;