diff --git a/jenkins_epo/extensions/core.py b/jenkins_epo/extensions/core.py
index d5787a9e..dc018918 100644
--- a/jenkins_epo/extensions/core.py
+++ b/jenkins_epo/extensions/core.py
@@ -375,7 +375,7 @@ def run(self):
         if not errored:
             return
 
-        branch_name = self.current.head.ref[len('refs/heads/'):]
+        branch_name = self.current.head.shortref
         builds = '- ' + '\n- '.join([s['target_url'] for s in errored])
         issue = self.current.head.repository.report_issue(
             title="%s is broken" % (branch_name,),
diff --git a/jenkins_epo/extensions/jenkins.py b/jenkins_epo/extensions/jenkins.py
index e6d2fa24..4fab057e 100644
--- a/jenkins_epo/extensions/jenkins.py
+++ b/jenkins_epo/extensions/jenkins.py
@@ -388,7 +388,7 @@ def run(self):
 
         self.current.current_stage = stage
         # Filter job specs to the current stage ones.
-        current_ref = self.current.head.ref
+        current_ref = self.current.head.shortref
         self.current.job_specs = {}
         for job in stage.job_specs:
             branches = list(job.config.get('branches', '*'))
diff --git a/jenkins_epo/repository.py b/jenkins_epo/repository.py
index 22c67d05..965cdd25 100644
--- a/jenkins_epo/repository.py
+++ b/jenkins_epo/repository.py
@@ -427,6 +427,7 @@ def __init__(self, repository, ref, sha):
         self.repository = repository
         self.sha = sha
         self.ref = ref
+        self.shortref = ref[len('refs/heads/'):]
 
     def __lt__(self, other):
         return self.sort_key() < other.sort_key()
@@ -463,7 +464,7 @@ def __hash__(self):
     @property
     def url(self):
         return 'https://github.com/%s/tree/%s' % (
-            self.repository, self.ref[len('refs/heads/'):],
+            self.repository, self.shortref,
         )
 
     def fetch_previous_commits(self, last_date=None):
diff --git a/tests/extensions/test_core.py b/tests/extensions/test_core.py
index b3610c29..46ed9aa4 100644
--- a/tests/extensions/test_core.py
+++ b/tests/extensions/test_core.py
@@ -131,6 +131,7 @@ def test_report():
     ext.current.head = Mock(spec=Branch)
     ext.current.head.sha = 'c0defada'
     ext.current.head.ref = 'refs/heads/branch'
+    ext.current.head.shortref = 'branch'
     ext.current.head.repository = Mock()
     ext.current.head.repository.report_issue.return_value = {
         'number': '1',
diff --git a/tests/extensions/test_stages.py b/tests/extensions/test_stages.py
index b2e20d65..6fa8ef40 100644
--- a/tests/extensions/test_stages.py
+++ b/tests/extensions/test_stages.py
@@ -11,7 +11,7 @@ def test_first_stage():
 
     ext = StagesExtension('stages', Mock())
     ext.current = Mock()
-    ext.current.head.ref = 'pr'
+    ext.current.head.shortref = 'pr'
     ext.current.SETTINGS.STAGES = ['build', 'test']
     ext.current.job_specs = specs = {
         'build': Mock(config=dict(stage='build')),
@@ -41,7 +41,7 @@ def test_second_stage():
 
     ext = StagesExtension('stages', Mock())
     ext.current = Mock()
-    ext.current.head.ref = 'pr'
+    ext.current.head.shortref = 'pr'
     ext.current.SETTINGS.STAGES = ['build', 'test']
     ext.current.job_specs = specs = {
         'test': Mock(config=dict()),
@@ -69,7 +69,7 @@ def test_no_test_stage():
 
     ext = StagesExtension('stages', Mock())
     ext.current = Mock()
-    ext.current.head.ref = 'pr'
+    ext.current.head.shortref = 'pr'
     ext.current.SETTINGS.STAGES = ['build', 'deploy']
     ext.current.job_specs = specs = {
         'build': Mock(config=dict()),
@@ -96,7 +96,7 @@ def test_periodic_ignored():
 
     ext = StagesExtension('stages', Mock())
     ext.current = Mock()
-    ext.current.head.ref = 'pr'
+    ext.current.head.shortref = 'pr'
     ext.current.SETTINGS.STAGES = ['deploy', 'test']
     ext.current.job_specs = specs = {
         'periodic': Mock(config=dict(periodic=True)),
@@ -126,7 +126,7 @@ def test_periodic_required():
 
     ext = StagesExtension('stages', Mock())
     ext.current = Mock()
-    ext.current.head.ref = 'pr'
+    ext.current.head.shortref = 'pr'
     ext.current.SETTINGS.STAGES = ['deploy', 'test']
     ext.current.job_specs = specs = {
         'deploy': Mock(config=dict(stage='deploy', periodic=True)),
@@ -156,7 +156,7 @@ def test_branches_limit():
 
     ext = StagesExtension('stages', Mock())
     ext.current = Mock()
-    ext.current.head.ref = 'pr'
+    ext.current.head.shortref = 'pr'
     ext.current.SETTINGS.STAGES = ['test']
     ext.current.job_specs = specs = {
         'job': Mock(config=dict(branches=['master'])),
@@ -181,7 +181,7 @@ def test_external_context():
 
     ext = StagesExtension('stages', Mock())
     ext.current = Mock()
-    ext.current.head.ref = 'pr'
+    ext.current.head.shortref = 'pr'
     ext.current.SETTINGS.STAGES = [
         dict(name='deploy', external=['deploy/prod']),
         dict(name='final', external=['final']),
@@ -208,7 +208,7 @@ def test_nostages():
 
     ext = StagesExtension('stages', Mock())
     ext.current = Mock()
-    ext.current.head.ref = 'pr'
+    ext.current.head.shortref = 'pr'
     ext.current.SETTINGS.STAGES = ['test', 'deploy']
     ext.current.job_specs = {}
     ext.current.jobs = {}
@@ -225,7 +225,7 @@ def test_complete():
 
     ext = StagesExtension('stages', Mock())
     ext.current = Mock()
-    ext.current.head.ref = 'pr'
+    ext.current.head.shortref = 'pr'
     ext.current.SETTINGS.STAGES = ['test', 'deploy']
     ext.current.job_specs = specs = {
         'test-job': Mock(config=dict()),