diff --git a/core/loadServer.js b/core/loadServer.js
index c7d62bf..2e07aca 100644
--- a/core/loadServer.js
+++ b/core/loadServer.js
@@ -16,6 +16,7 @@ import csrf from 'csurf';
 import SaplingError from '../lib/SaplingError.js';
 import Response from '../lib/Response.js';
 import Cluster from '../lib/Cluster.js';
+import Utils from '../lib/Utils.js';
 
 
 /**
@@ -73,9 +74,7 @@ export default function loadServer({ reload, listen }, next) {
 	/* Handle the directory for our static resources */
 	if ('publicDir' in this.config) {
 		/* If it's a string, coerce into an array */
-		if (Array.isArray(this.config.publicDir) === false) {
-			this.config.publicDir = [this.config.publicDir];
-		}
+		this.config.publicDir = new Utils().coerceArray(this.config.publicDir);
 
 		/* Loop through it */
 		for (const publicDir of this.config.publicDir) {
diff --git a/drivers/db/Memory.js b/drivers/db/Memory.js
index babf988..75108b7 100644
--- a/drivers/db/Memory.js
+++ b/drivers/db/Memory.js
@@ -174,12 +174,7 @@ export default class Memory extends Interface {
 				continue;
 			}
 
-			let condition = conditions[field];
-
-			/* Coerce into an array */
-			if (Array.isArray(condition) === false) {
-				condition = [condition];
-			}
+			const condition = new Utils().coerceArray(conditions[field]);
 
 			match = condition.some(value => {
 				/* If it's an ID, do an exact match always */
diff --git a/lib/Response.js b/lib/Response.js
index 5916f20..470c430 100644
--- a/lib/Response.js
+++ b/lib/Response.js
@@ -12,6 +12,7 @@ import isobject from 'isobject';
 import { console } from './Cluster.js';
 import Redirect from './Redirect.js';
 import Templating from './Templating.js';
+import Utils from './Utils.js';
 
 
 /**
@@ -70,9 +71,7 @@ export default class Response {
 		}
 
 		/* Coerce anything else into an array */
-		if (!Array.isArray(array)) {
-			array = [array];
-		}
+		array = new Utils().coerceArray(array);
 
 		/* Whether the array contains objects or something else */
 		const notObject = array.length > 0 && !isobject(array[0]);
diff --git a/lib/User.js b/lib/User.js
index 01ff542..d8f9e29 100644
--- a/lib/User.js
+++ b/lib/User.js
@@ -9,6 +9,7 @@ import routeMatcher from 'path-match';
 
 import Response from './Response.js';
 import SaplingError from './SaplingError.js';
+import Utils from './Utils.js';
 
 
 /**
@@ -148,7 +149,7 @@ export default class User {
 				const userType = permissionKey in this.app.permissions ? this.app.permissions[permissionKey].role : 'anyone';
 
 				/* Return the first match */
-				return Array.isArray(userType) ? userType : [userType];
+				return new Utils().coerceArray(userType);
 			}
 		}