diff --git a/src/azure/pci-dss-3.2.1/rules/pci-dss-3.2.1-networking-check-1.ts b/src/azure/pci-dss-3.2.1/rules/pci-dss-3.2.1-networking-check-1.ts
index 6a7b88be..1bee16ac 100644
--- a/src/azure/pci-dss-3.2.1/rules/pci-dss-3.2.1-networking-check-1.ts
+++ b/src/azure/pci-dss-3.2.1/rules/pci-dss-3.2.1-networking-check-1.ts
@@ -81,6 +81,7 @@ export default {
     ]
     return !rules.some((rule: any) => {
       return (
+        rule &&
         rule.direction === 'Inbound' &&
         rule.access === 'Allow' &&
         ['TCP', 'Tcp', '*'].includes(rule.protocol) &&
diff --git a/src/azure/pci-dss-3.2.1/tests/pci-dss-3.2.1-networking-checks.test.ts b/src/azure/pci-dss-3.2.1/tests/pci-dss-3.2.1-networking-checks.test.ts
index 8472decc..190aaa09 100644
--- a/src/azure/pci-dss-3.2.1/tests/pci-dss-3.2.1-networking-checks.test.ts
+++ b/src/azure/pci-dss-3.2.1/tests/pci-dss-3.2.1-networking-checks.test.ts
@@ -102,6 +102,7 @@ describe('PCI Data Security Standard: 3.2.1', () => {
                         destinationPortRanges:
                           fromPort && toPort ? [`${fromPort}-${toPort}`] : [],
                       },
+                      undefined as unknown as SecurityRule
                     ],
                   },
                 ],