diff --git a/appveyor.yml b/appveyor.yml
index fe0ee54..5c9df8a 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -7,10 +7,14 @@ environment:
   ESHOST_SKIP_CH: 1
   ESHOST_SKIP_D8: 1
   ESHOST_SKIP_ENGINE262: 1
+  ESHOST_SKIP_GRAALJS: 1
   ESHOST_SKIP_HERMES: 1
   ESHOST_SKIP_JSC: 1
   ESHOST_SKIP_JSSHELL: 1
+  ESHOST_SKIP_LIBJS: 1
   ESHOST_SKIP_NODE: 1
+  ESHOST_SKIP_QJS: 1
+  ESHOST_SKIP_XS: 1
   # Browsers
   ESHOST_SKIP_CHROME: 1
   ESHOST_SKIP_FIREFOX: 1
diff --git a/test/runify.js b/test/runify.js
index 08f8fa8..a9b8b2f 100644
--- a/test/runify.js
+++ b/test/runify.js
@@ -68,7 +68,7 @@ if (process.env.CI) {
 if (isWindows) {
   hosts.forEach((record, index) => {
     const host = hostsOnWindows[index];
-    if (record[1].hostPath) {
+    if (host && record[1].hostPath) {
       if (record[0] === host[0]) {
         record[1].hostPath = host[1].hostPath;
       }