diff --git a/spec/suites/SpecRunningSpec.js b/spec/suites/SpecRunningSpec.js
index e837c2a..9f5d725 100644
--- a/spec/suites/SpecRunningSpec.js
+++ b/spec/suites/SpecRunningSpec.js
@@ -339,7 +339,7 @@ describe("jasmine spec running", function () {
       fakeTimer.tick(400);
       expect(runsBlockExecuted).toEqual(false);
       expect(timeoutSpec.results().getItems()[0].message).toEqual('timeout: timed out after 500 msec waiting for something to happen');
-// todo: expect(subsequentSpecRan).toEqual(true); [xw 20100819]
+      expect(subsequentSpecRan).toEqual(true);
     });
   });
 
diff --git a/spec/suites/WaitsForBlockSpec.js b/spec/suites/WaitsForBlockSpec.js
index ea58833..6927194 100644
--- a/spec/suites/WaitsForBlockSpec.js
+++ b/spec/suites/WaitsForBlockSpec.js
@@ -81,7 +81,7 @@ describe('WaitsForBlock', function () {
       expect(spec.fail).toHaveBeenCalled();
       var failMessage = spec.fail.mostRecentCall.args[0].message;
       expect(failMessage).toMatch(message);
-      expect(onComplete).not.toHaveBeenCalled(); // todo: this is an issue... [xw 20100819]
+      expect(onComplete).toHaveBeenCalled();
     });
   });
 });
\ No newline at end of file
diff --git a/src/Queue.js b/src/Queue.js
index c3e064a..065408c 100644
--- a/src/Queue.js
+++ b/src/Queue.js
@@ -4,6 +4,7 @@ jasmine.Queue = function(env) {
   this.running = false;
   this.index = 0;
   this.offset = 0;
+  this.abort = false;
 };
 
 jasmine.Queue.prototype.addBefore = function(block) {
@@ -38,7 +39,7 @@ jasmine.Queue.prototype.next_ = function() {
   while (goAgain) {
     goAgain = false;
     
-    if (self.index < self.blocks.length) {
+    if (self.index < self.blocks.length && !this.abort) {
       var calledSynchronously = true;
       var completedSynchronously = false;
 
@@ -48,6 +49,10 @@ jasmine.Queue.prototype.next_ = function() {
           return;
         }
 
+        if (self.blocks[self.index].abort) {
+          self.abort = true;
+        }
+
         self.offset = 0;
         self.index++;
 
diff --git a/src/WaitsForBlock.js b/src/WaitsForBlock.js
index 676e005..b413b38 100644
--- a/src/WaitsForBlock.js
+++ b/src/WaitsForBlock.js
@@ -39,7 +39,9 @@ jasmine.WaitsForBlock.prototype.execute = function(onComplete) {
       name: 'timeout',
       message: message
     });
-    // todo: need to prevent additional blocks in this spec from running... [xw 20100819]
+
+    this.abort = true;
+    onComplete();
   } else {
     this.totalTimeSpentWaitingForLatch += jasmine.WaitsForBlock.TIMEOUT_INCREMENT;
     var self = this;