diff --git a/lib/jasmine-core/boot.js b/lib/jasmine-core/boot.js
index e2e0c86d..12f75f69 100644
--- a/lib/jasmine-core/boot.js
+++ b/lib/jasmine-core/boot.js
@@ -169,6 +169,14 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     return specFilter.matches(spec.getFullName());
   };
 
+  /**
+   * Setting up timing functions to be able to be overridden. Certain browsers (Safari, IE 8, phantomjs) require this hack.
+   */
+  window.setTimeout = window.setTimeout;
+  window.setInterval = window.setInterval;
+  window.clearTimeout = window.clearTimeout;
+  window.clearInterval = window.clearInterval;
+
   /**
    * ## Execution
    *
diff --git a/lib/jasmine-core/boot/boot.js b/lib/jasmine-core/boot/boot.js
index a233a5a1..ec8baa0a 100644
--- a/lib/jasmine-core/boot/boot.js
+++ b/lib/jasmine-core/boot/boot.js
@@ -147,6 +147,14 @@
     return specFilter.matches(spec.getFullName());
   };
 
+  /**
+   * Setting up timing functions to be able to be overridden. Certain browsers (Safari, IE 8, phantomjs) require this hack.
+   */
+  window.setTimeout = window.setTimeout;
+  window.setInterval = window.setInterval;
+  window.clearTimeout = window.clearTimeout;
+  window.clearInterval = window.clearInterval;
+
   /**
    * ## Execution
    *
diff --git a/spec/support/dev_boot.js b/spec/support/dev_boot.js
index a4bd0385..07b76cf6 100644
--- a/spec/support/dev_boot.js
+++ b/spec/support/dev_boot.js
@@ -94,6 +94,11 @@
     return specFilter.matches(spec.getFullName());
   };
 
+  window.setTimeout = window.setTimeout;
+  window.setInterval = window.setInterval;
+  window.clearTimeout = window.clearTimeout;
+  window.clearInterval = window.clearInterval;
+
   var currentWindowOnload = window.onload;
 
   window.onload = function() {