diff --git a/scripts/vm/network/security_group.py b/scripts/vm/network/security_group.py
index f93f089f111..7b3a38d6820 100755
--- a/scripts/vm/network/security_group.py
+++ b/scripts/vm/network/security_group.py
@@ -101,8 +101,8 @@ def virshlist(states):
 
     conn = get_libvirt_connection()
 
-    alldomains = [d for domain in map(conn.lookupByID, conn.listDomainsID())]
-    alldomains += [d for domain in map(conn.lookupByName, conn.listDefinedDomains())]
+    alldomains = [domain for domain in map(conn.lookupByID, conn.listDomainsID())]
+    alldomains += [domain for domain in map(conn.lookupByName, conn.listDefinedDomains())]
 
     domains = []
     for domain in alldomains: