diff --git a/gns3server/crash_report.py b/gns3server/crash_report.py
index 2cefe0e4..a18d4335 100644
--- a/gns3server/crash_report.py
+++ b/gns3server/crash_report.py
@@ -33,6 +33,7 @@ except ImportError:
 
 from .version import __version__
 from .config import Config
+from .utils.get_resource import get_resource
 
 import logging
 log = logging.getLogger(__name__)
@@ -46,7 +47,7 @@ class CrashReport:
 
     DSN = "sync+https://9e6f04df72c74b6894a6dcd2928d069e:2035d1beb1654136b170f1e91f05ee51@app.getsentry.com/38482"
     if hasattr(sys, "frozen"):
-        cacert = os.path.join(os.getcwd(), "cacert.pem")
+        cacert = get_resource("cacert.pem")
         if os.path.isfile(cacert):
             DSN += "?ca_certs={}".format(cacert)
         else:
diff --git a/gns3server/utils/get_resource.py b/gns3server/utils/get_resource.py
index dae285fc..04d44fac 100644
--- a/gns3server/utils/get_resource.py
+++ b/gns3server/utils/get_resource.py
@@ -19,6 +19,8 @@ import tempfile
 import pkg_resources
 import atexit
 import logging
+import os
+import sys
 
 log = logging.getLogger(__name__)
 
@@ -39,3 +41,19 @@ def clean_egg_cache():
     except Exception:
         # We don't care if we can not cleanup
         pass
+
+
+def get_resource(resource_name):
+    """
+    Return a resource in current directory or in frozen package
+    """
+
+    resource_path = None
+    if hasattr(sys, "frozen") and sys.platform.startswith("darwin"):
+        resource_name = os.path.join("../Resources", resource_name)
+    if hasattr(sys, "frozen") and os.path.exists(resource_name):
+        resource_path = os.path.normpath(os.path.join(os.getcwd(), resource_name))
+    elif not hasattr(sys, "frozen") and pkg_resources.resource_exists("gns3", resource_name):
+        resource_path = pkg_resources.resource_filename("gns3", resource_name)
+        resource_path = os.path.normpath(resource_path)
+    return resource_path