diff --git a/auditlog/models/http_request.py b/auditlog/models/http_request.py
index 357c1a7..77f9aa0 100644
--- a/auditlog/models/http_request.py
+++ b/auditlog/models/http_request.py
@@ -46,6 +46,8 @@ class AuditlogHTTPRequest(models.Model):
         first call.
         If no HTTP request is available, returns `False`.
         """
+        if not request:
+            return False
         http_session_model = self.env['auditlog.http.session']
         httprequest = request.httprequest
         if httprequest:
diff --git a/auditlog/models/http_session.py b/auditlog/models/http_session.py
index deb2ee2..2bbf736 100644
--- a/auditlog/models/http_session.py
+++ b/auditlog/models/http_session.py
@@ -42,6 +42,8 @@ class AuditlogtHTTPSession(models.Model):
         first call.
         If no HTTP user session is available, returns `False`.
         """
+        if not request:
+            return False
         httpsession = request.httpsession
         if httpsession:
             existing_session = self.search(