diff --git a/src/util/Util.js b/src/util/Util.js
index 7c73971..6239dfc 100644
--- a/src/util/Util.js
+++ b/src/util/Util.js
@@ -20,7 +20,7 @@ class Util {
     static checkPermissions (perms, perm, level = 1) {
         
         if (!perms || typeof perms !== 'object') throw new Error('Missing perms object');
-        if (!perm || typeof perms !== 'string') throw new Error('Missing perm string');
+        if (!perm || typeof perm !== 'string') throw new Error('Missing perm string');
 
         // Allow for checking of nested permissions, e.g. administrator:createUser
         const resolveables = perm.split(':');