diff --git a/cli.js b/cli.js
index e05211da..cd1dd423 100644
--- a/cli.js
+++ b/cli.js
@@ -119,7 +119,7 @@ const printHelp = cliParams.delete("help");
 const dumpTestList = cliParams.delete("dumpTestList");
 
 if (cliArgs.length) {
-    let tests = cliParams.has("test") ? cliParams.get("tests").split(",") : []
+    let tests = cliParams.has("test") ? cliParams.get("test").split(",") : []
     tests = tests.concat(cliArgs);
     cliParams.set("test", tests.join(","));
 }
diff --git a/utils/shell-config.js b/utils/shell-config.js
index 59d7895c..dfcc4647 100644
--- a/utils/shell-config.js
+++ b/utils/shell-config.js
@@ -55,3 +55,8 @@ if (typeof performance == "undefined")
 
 performance.mark ??= function(){};
 performance.measure ??= function(){};
+
+if (isD8) {
+    performance.mark = function(){};
+    performance.measure = function(){};
+}