diff --git a/lib/jasmine-core/jasmine.js b/lib/jasmine-core/jasmine.js
index 682e6930..1aa5794c 100644
--- a/lib/jasmine-core/jasmine.js
+++ b/lib/jasmine-core/jasmine.js
@@ -1717,7 +1717,7 @@ jasmine.Spec.prototype.getFullName = function() {
 jasmine.Spec.pendingSpecExceptionMessage = "=> marked Pending";
 
 jasmine.Spec.isPendingSpecException = function(e) {
-  return e.message.indexOf(jasmine.Spec.pendingSpecExceptionMessage) === 0;
+  return e.toString().indexOf(jasmine.Spec.pendingSpecExceptionMessage) !== -1;
 };jasmine.Suite = function(attrs) {
   this.env = attrs.env;
   this.id = attrs.id;
diff --git a/spec/core/SpecSpec.js b/spec/core/SpecSpec.js
index 422d97b9..ade1b801 100644
--- a/spec/core/SpecSpec.js
+++ b/spec/core/SpecSpec.js
@@ -6,6 +6,13 @@ describe("Spec", function() {
     expect(jasmine.Spec.isPendingSpecException(e)).toBe(true);
   });
 
+  it("#isPendingSpecException returns true for a pending spec exception (protect against FF bug)", function() {
+    var e = new Error(jasmine.Spec.pendingSpecExceptionMessage);
+    delete e.message;
+
+    expect(jasmine.Spec.isPendingSpecException(e)).toBe(true);
+  });
+
   it("#isPendingSpecException returns true for a pending spec exception", function() {
     var e = new Error("foo");
 
diff --git a/src/core/Spec.js b/src/core/Spec.js
index e90b4cf5..e90f72fa 100644
--- a/src/core/Spec.js
+++ b/src/core/Spec.js
@@ -114,5 +114,5 @@ jasmine.Spec.prototype.getFullName = function() {
 jasmine.Spec.pendingSpecExceptionMessage = "=> marked Pending";
 
 jasmine.Spec.isPendingSpecException = function(e) {
-  return e.message.indexOf(jasmine.Spec.pendingSpecExceptionMessage) === 0;
+  return e.toString().indexOf(jasmine.Spec.pendingSpecExceptionMessage) !== -1;
 };
\ No newline at end of file