diff --git a/src/main/java/com/nerdwin15/stash/webhook/Notifier.java b/src/main/java/com/nerdwin15/stash/webhook/Notifier.java
index c07ddb4..ca49ea2 100644
--- a/src/main/java/com/nerdwin15/stash/webhook/Notifier.java
+++ b/src/main/java/com/nerdwin15/stash/webhook/Notifier.java
@@ -261,7 +261,7 @@ protected String getUrl(final Repository repository, final String jenkinsBase,
 
     if(strRef != null && !omitBranchName)
       url.append(String.format(BRANCH_URL_PARAMETER, urlEncode(strRef)));
-    if(!omitHashCode)
+    if(strSha1 != null && !omitHashCode)
       url.append(String.format(HASH_URL_PARAMETER, strSha1));
 
     return url.toString();
diff --git a/src/test/java/com/nerdwin15/stash/webhook/NotifierTest.java b/src/test/java/com/nerdwin15/stash/webhook/NotifierTest.java
index 697524e..a0e2c3e 100644
--- a/src/test/java/com/nerdwin15/stash/webhook/NotifierTest.java
+++ b/src/test/java/com/nerdwin15/stash/webhook/NotifierTest.java
@@ -396,4 +396,25 @@ public void shouldCallTheCorrectURLWithOmitBranchNameOff()
        captor.getValue().getURI().toString());
   }
 
+  /**
+   * Validates that the correct path is used when the sha1 is null
+   * @throws Exception
+   */
+  @Test
+  public void shouldCallTheCorrectURLWhenSha1IsNull()
+    throws Exception {
+    when(settings.getBoolean(Notifier.OMIT_BRANCH_NAME, false)).thenReturn(false);
+    notifier.notify(repo, "refs/heads/master", null);
+
+    ArgumentCaptor<HttpGet> captor = ArgumentCaptor.forClass(HttpGet.class);
+
+    verify(httpClientFactory, times(1)).getHttpClient(false, false);
+    verify(httpClient, times(1)).execute(captor.capture());
+    verify(connectionManager, times(1)).shutdown();
+
+    assertEquals("http://localhost.jenkins/git/notifyCommit?"
+        + "url=http%3A%2F%2Fsome.stash.com%2Fscm%2Ffoo%2Fbar.git"
+        + "&branches=refs%2Fheads%2Fmaster",
+        captor.getValue().getURI().toString());
+  }
 }