diff --git a/buildtrigger/basehandler.py b/buildtrigger/basehandler.py
index 64647e06c..a929ead8b 100644
--- a/buildtrigger/basehandler.py
+++ b/buildtrigger/basehandler.py
@@ -259,7 +259,7 @@ class BuildTriggerHandler(object):
     pass
 
   @classmethod
-  def path_is_dockerfile(cls, file_name):
+  def filename_is_dockerfile(cls, file_name):
     """ Returns whether the file is named Dockerfile or follows the convention <name>.Dockerfile"""
     return file_name.endswith(".Dockerfile") or u"Dockerfile" == file_name
 
diff --git a/buildtrigger/bitbuckethandler.py b/buildtrigger/bitbuckethandler.py
index 68290cde4..84818d61c 100644
--- a/buildtrigger/bitbuckethandler.py
+++ b/buildtrigger/bitbuckethandler.py
@@ -453,7 +453,7 @@ class BitbucketBuildTrigger(BuildTriggerHandler):
       raise RepositoryReadException(err_msg)
 
     files = set([f['path'] for f in data['files']])
-    return ["/" + file_path for file_path in files if self.path_is_dockerfile(os.path.basename(file_path))]
+    return ["/" + file_path for file_path in files if self.filename_is_dockerfile(os.path.basename(file_path))]
 
   def load_dockerfile_contents(self):
     repository = self._get_repository_client()
diff --git a/buildtrigger/githubhandler.py b/buildtrigger/githubhandler.py
index f6687798e..072af6e03 100644
--- a/buildtrigger/githubhandler.py
+++ b/buildtrigger/githubhandler.py
@@ -350,7 +350,7 @@ class GithubBuildTrigger(BuildTriggerHandler):
       commit_tree = repo.get_git_tree(default_commit.sha, recursive=True)
 
       return [elem.path for elem in commit_tree.tree
-              if (elem.type == u'blob' and self.path_is_dockerfile(os.path.basename(elem.path)))]
+              if (elem.type == u'blob' and self.filename_is_dockerfile(os.path.basename(elem.path)))]
     except GithubException as ghe:
       message = ghe.data.get('message', 'Unable to list contents of repository: %s' % source)
       if message == 'Branch not found':
@@ -371,7 +371,7 @@ class GithubBuildTrigger(BuildTriggerHandler):
       raise RepositoryReadException(message)
 
     path = self.get_dockerfile_path()
-    if not path:
+    if not path or not self.filename_is_dockerfile(os.path.basename(path)):
       return None
 
     try:
diff --git a/buildtrigger/gitlabhandler.py b/buildtrigger/gitlabhandler.py
index 0bd47c910..522f51329 100644
--- a/buildtrigger/gitlabhandler.py
+++ b/buildtrigger/gitlabhandler.py
@@ -342,7 +342,7 @@ class GitLabBuildTrigger(BuildTriggerHandler):
       msg = 'Unable to find GitLab repository tree for source: %s' % new_build_source
       raise RepositoryReadException(msg)
 
-    return ["/"+node['name'] for node in repo_tree if self.path_is_dockerfile(node['name'])]
+    return ["/" + node['name'] for node in repo_tree if self.filename_is_dockerfile(node['name'])]
 
   @_catch_timeouts
   def load_dockerfile_contents(self):
diff --git a/buildtrigger/test/test_basehandler.py b/buildtrigger/test/test_basehandler.py
index d8955740a..5bf95c41b 100644
--- a/buildtrigger/test/test_basehandler.py
+++ b/buildtrigger/test/test_basehandler.py
@@ -12,4 +12,4 @@ from buildtrigger.basehandler import BuildTriggerHandler
   (u"bad file name", False),
 ])
 def test_path_is_dockerfile(input, output):
-  assert BuildTriggerHandler.path_is_dockerfile(input) == output
+  assert BuildTriggerHandler.filename_is_dockerfile(input) == output