diff --git a/lib/policy/resourcePolicySchema.json b/lib/policy/resourcePolicySchema.json
index 37f0369da..8f486ac36 100644
--- a/lib/policy/resourcePolicySchema.json
+++ b/lib/policy/resourcePolicySchema.json
@@ -38,7 +38,7 @@
         },
         "principalAWSUserArn": {
             "type": "string",
-            "pattern": "^arn:aws:iam::[0-9]{12}:user/(?!\\*)[\\w+=,.@ -/]{1,64}$"
+            "pattern": "^arn:aws:iam::[0-9]{12}:user/(?!\\*)[\\w+=,.@ -/]{1,2017}$"
         },
         "principalAWSRoleArn": {
             "type": "string",
diff --git a/lib/policy/userPolicySchema.json b/lib/policy/userPolicySchema.json
index 5024b8127..b96beb462 100644
--- a/lib/policy/userPolicySchema.json
+++ b/lib/policy/userPolicySchema.json
@@ -28,7 +28,7 @@
         },
         "principalAWSUserArn": {
             "type": "string",
-            "pattern": "^arn:aws:iam::[0-9]{12}:user/(?!\\*)[\\w+=,.@ -/]{1,64}$"
+            "pattern": "^arn:aws:iam::[0-9]{12}:user/(?!\\*)[\\w+=,.@ -/]{1,2017}$"
         },
         "principalAWSRoleArn": {
             "type": "string",
diff --git a/tests/unit/policy/test_policyValidator.spec.js b/tests/unit/policy/test_policyValidator.spec.js
index 819aadbc7..06d192f10 100644
--- a/tests/unit/policy/test_policyValidator.spec.js
+++ b/tests/unit/policy/test_policyValidator.spec.js
@@ -188,6 +188,11 @@ describe('Policies validation - Principal', () => {
             value: { AWS: 'arn:aws:iam::111111111111:user/path/in/org/leaf' },
             policyType: [user, resource],
         },
+        {
+            name: 'user arn with vault made path',
+            value: { AWS: 'arn:aws:iam::767707094035:user/user2/TENANT_USER/null/5417be27-8709-48bd-adfb-865ebc58b9f0/1a464be02ea631bdaf2a9ee884434233374a457460e925bf10d9e4665f8fa796/c1d83067-a3f3-41a4-bd45-d6bf47270bd0' }, // eslint-disable-line max-len
+            policyType: [user, resource],
+        },
         {
             name: 'multiple user arns',
             value: {