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Change-Id: I022bfc66fe509fe767319c4fe5f2541ee05e96fd
Signed-off-by: XiaokangQian <xiaokang.qian@arm.com>
diff --git a/library/ssl_misc.h b/library/ssl_misc.h
index 20e94dc..119826f 100644
--- a/library/ssl_misc.h
+++ b/library/ssl_misc.h
@@ -2289,7 +2289,7 @@
 int mbedtls_ssl_write_alpn_ext( mbedtls_ssl_context *ssl,
                                 unsigned char *buf,
                                 unsigned char *end,
-                                size_t *olen );
+                                size_t *out_len );
 #endif /* MBEDTLS_SSL_ALPN */
 
 #endif /* ssl_misc.h */