diff --git a/misp_modules/modules/expansion/vulnerability_lookup.py b/misp_modules/modules/expansion/vulnerability_lookup.py
index 811b43f5..a6315a94 100644
--- a/misp_modules/modules/expansion/vulnerability_lookup.py
+++ b/misp_modules/modules/expansion/vulnerability_lookup.py
@@ -21,7 +21,7 @@
     'input': '',
     'output': '',
 }
-api_url = 'https://vulnerability.circl.lu'
+api_url = 'https://vulnerability.circl.lu/api'
 
 
 class VulnerabilityLookupMapping(VulnerabilityMapping):