diff --git a/tools/installer.js b/tools/installer.js
index a17b970a..beb3cac2 100644
--- a/tools/installer.js
+++ b/tools/installer.js
@@ -29,7 +29,7 @@ function performInstall(url) {
 		}
 	});
 	// On completed
-	ajaxRequest.done(function(data) {
+	ajaxRequest.done(function(/*data*/) {
 		$('#spinner').hide();
 		$('#reload_button').show();
 	});
@@ -38,4 +38,4 @@ function performInstall(url) {
 		console.log('Error: ', error);
 		$('<span class="error">Error while doing AJAX request. Please refresh the page.</span>').insertAfter("#success-" + lastId);
 	});
-}
\ No newline at end of file
+}