diff --git a/js/src/tests/js1_8_5/regress/jstests.list b/js/src/tests/js1_8_5/regress/jstests.list
index 0d6357151e21..308a64956658 100644
--- a/js/src/tests/js1_8_5/regress/jstests.list
+++ b/js/src/tests/js1_8_5/regress/jstests.list
@@ -12,7 +12,7 @@ script regress-551763-0.js
 script regress-551763-1.js
 script regress-551763-2.js
 script regress-555246-0.js
-fails script regress-555246-1.js
+script regress-555246-1.js
 script regress-559438.js
 script regress-560101.js
 script regress-560998-1.js
diff --git a/js/src/tests/js1_8_5/regress/regress-555246-0.js b/js/src/tests/js1_8_5/regress/regress-555246-0.js
index a79ac62045ca..2a4efe0522ea 100644
--- a/js/src/tests/js1_8_5/regress/regress-555246-0.js
+++ b/js/src/tests/js1_8_5/regress/regress-555246-0.js
@@ -5,10 +5,10 @@
  */
 
 if (typeof evalcx == 'function') {
-  var cx = evalcx("");
-  evalcx("function f() { return this; }", cx);
-  var f = cx.f;
-  assertEq(f(), cx);
+    var cx = evalcx("");
+    evalcx("function f() { return this; }", cx);
+    var f = cx.f;
+    assertEq(f(), cx);
 }
 
 reportCompare(0, 0, "");
diff --git a/js/src/tests/js1_8_5/regress/regress-555246-1.js b/js/src/tests/js1_8_5/regress/regress-555246-1.js
index af3f3e1205c0..cc3990ae68a2 100644
--- a/js/src/tests/js1_8_5/regress/regress-555246-1.js
+++ b/js/src/tests/js1_8_5/regress/regress-555246-1.js
@@ -4,9 +4,11 @@
  * Contributor: Jason Orendorff
  */
 
-assertEq(typeof evalcx, "function", "")
-var cx = evalcx("");
-evalcx("function f() { return this; }", cx);
-f = cx.f;
-assertEq(f(), cx);
+if (typeof evalcx == 'function') {
+    var cx = evalcx("");
+    evalcx("function f() { return this; }", cx);
+    f = cx.f;
+    assertEq(f(), cx);
+}
+
 reportCompare(0, 0, "");