diff --git a/test/node/types.js b/test/node/types.js
index 89340a4..38fb0c7 100644
--- a/test/node/types.js
+++ b/test/node/types.js
@@ -142,7 +142,9 @@ console.log('Testing', 'isBoxedPrimitive');
 
 var SymbolSupported = typeof Symbol !== 'undefined';
 var SymbolToStringTagSupported = SymbolSupported && typeof Symbol.toStringTag !== 'undefined';
-if (SymbolToStringTagSupported) {
+var isBuggyFirefox = typeof navigator !== 'undefined' && /Firefox\/\d+/.test(navigator.userAgent) &&
+  parseInt(navigator.userAgent.split('Firefox/')[1], 10) < 66
+if (SymbolToStringTagSupported && !isBuggyFirefox) {
   [
     'Uint8Array',
     'Uint8ClampedArray',
@@ -169,6 +171,9 @@ if (SymbolToStringTagSupported) {
     assert(types[method](array));
   });
 }
+if (isBuggyFirefox) {
+  console.log('skipping fake typed array tests because they do not work in FF')
+}
 
 {
   var primitive = function primitive() { return true; };