diff --git a/library/ssl_misc.h b/library/ssl_misc.h
index 6735000..97a47e4 100644
--- a/library/ssl_misc.h
+++ b/library/ssl_misc.h
@@ -1232,13 +1232,13 @@
 
 int mbedtls_ssl_write_handshake_msg_ext( mbedtls_ssl_context *ssl,
                                          int update_checksum,
-                                         uint8_t force_flush );
+                                         int force_flush );
 static inline int mbedtls_ssl_write_handshake_msg( mbedtls_ssl_context *ssl )
 {
     return( mbedtls_ssl_write_handshake_msg_ext( ssl, 1 /* update checksum */, 1 /* force flush */ ) );
 }
 
-int mbedtls_ssl_write_record( mbedtls_ssl_context *ssl, uint8_t force_flush );
+int mbedtls_ssl_write_record( mbedtls_ssl_context *ssl, int force_flush );
 int mbedtls_ssl_flush_output( mbedtls_ssl_context *ssl );
 
 int mbedtls_ssl_parse_certificate( mbedtls_ssl_context *ssl );