--- a/src/ssl.c
+++ b/src/ssl.c
@@ -401,17 +401,21 @@ static int meth_want(lua_State *L)
  */
 static int meth_compression(lua_State *L)
 {
+#ifndef OPENSSL_NO_COMP
   const COMP_METHOD *comp;
+#endif
   p_ssl ssl = (p_ssl)luaL_checkudata(L, 1, "SSL:Connection");
   if (ssl->state != LSEC_STATE_CONNECTED) {
     lua_pushnil(L);
     lua_pushstring(L, "closed");
     return 2;
   }
+#ifndef OPENSSL_NO_COMP
   comp = SSL_get_current_compression(ssl->ssl);
   if (comp)
     lua_pushstring(L, SSL_COMP_get_name(comp));
   else
+#endif
     lua_pushnil(L);
   return 1;
 }