diff --git a/misp_modules/modules/expansion/cve_advanced.py b/misp_modules/modules/expansion/cve_advanced.py
index 413b049..7530b51 100644
--- a/misp_modules/modules/expansion/cve_advanced.py
+++ b/misp_modules/modules/expansion/cve_advanced.py
@@ -77,7 +77,7 @@ class VulnerabilityParser():
 
     def __parse_weakness(self, vulnerability_uuid):
         attribute_type = 'text'
-        cwe_string, cwe_id  = self.vulnerability['cwe'].split('-')
+        cwe_string, cwe_id = self.vulnerability['cwe'].split('-')
         cwes = requests.get(cveapi_url.replace('/cve/', '/cwe'))
         if cwes.status_code == 200:
             for cwe in cwes.json():