diff --git a/lib/jasmine-core/boot.js b/lib/jasmine-core/boot.js
index 74dfd70d..e96a978d 100644
--- a/lib/jasmine-core/boot.js
+++ b/lib/jasmine-core/boot.js
@@ -74,7 +74,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   var filterSpecs = !!queryString.getParam("spec");
 
   var stoppingOnSpecFailure = queryString.getParam("failFast");
-  env.stopOnSpecFailure(typeof stoppingOnSpecFailure === "undefined" ? true : stoppingOnSpecFailure);
+  env.stopOnSpecFailure(stoppingOnSpecFailure);
 
   var throwingExpectationFailures = queryString.getParam("throwFailures");
   env.throwOnExpectationFailure(throwingExpectationFailures);
diff --git a/lib/jasmine-core/boot/boot.js b/lib/jasmine-core/boot/boot.js
index 00a65830..290dce53 100644
--- a/lib/jasmine-core/boot/boot.js
+++ b/lib/jasmine-core/boot/boot.js
@@ -52,7 +52,7 @@
   var filterSpecs = !!queryString.getParam("spec");
 
   var stoppingOnSpecFailure = queryString.getParam("failFast");
-  env.stopOnSpecFailure(typeof stoppingOnSpecFailure === "undefined" ? true : stoppingOnSpecFailure);
+  env.stopOnSpecFailure(stoppingOnSpecFailure);
 
   var throwingExpectationFailures = queryString.getParam("throwFailures");
   env.throwOnExpectationFailure(throwingExpectationFailures);