diff --git a/jni/libzrtp/sources/zrtp/crypto/sha2.h b/jni/libzrtp/sources/zrtp/crypto/sha2.h
index 91d0745..1ad3889 100644
--- a/jni/libzrtp/sources/zrtp/crypto/sha2.h
+++ b/jni/libzrtp/sources/zrtp/crypto/sha2.h
@@ -140,7 +140,7 @@
 INT_RETURN  sha2_begin(unsigned long size, sha2_ctx ctx[1]);
 VOID_RETURN sha2_hash(const unsigned char data[], unsigned long len, sha2_ctx ctx[1]);
 VOID_RETURN sha2_end(unsigned char hval[], sha2_ctx ctx[1]);
-INT_RETURN  sha2(unsigned char hval[], unsigned long size, const unsigned char data[], unsigned long len);
+INT_RETURN  sha2_all(unsigned char hval[], unsigned long size, const unsigned char data[], unsigned long len);
 
 #endif