diff --git a/lib/plugins.js b/lib/plugins.js
index 8192c09..0cecab0 100644
--- a/lib/plugins.js
+++ b/lib/plugins.js
@@ -188,7 +188,9 @@ exports.httpequivs = function httpequivs(page, settings, request, response) {
 					console.warn("express-dom got http-equiv Status with invalid value", status);
 				}
 			}
-			response.append(equivs);
+			if (Object.keys(equivs).length) {
+				response.append(equivs);
+			}
 		});
 	});
 };