diff --git a/client/src/utils/auth.ts b/client/src/utils/auth.ts
index 8d4d863..98ecdba 100644
--- a/client/src/utils/auth.ts
+++ b/client/src/utils/auth.ts
@@ -29,9 +29,13 @@
 
 export interface PasswordCheckResult {
   strong: boolean;
-  value: string;
+  valueCode: StrengthValueCode;
 }
 
+export type StrengthValueCode = 'default' | 'too_weak' | 'weak' | 'medium' | 'strong';
+
+const idToStrengthValueCode: StrengthValueCode[] = ['too_weak', 'weak', 'medium', 'strong'];
+
 // TODO: Find a way to do it differently or remove this check from account creation.
 // It doesn't work if the server has secured this path, so I tweaked the server for test.
 // The tweak is to remove secured of apiRouter middleware in the server (app.ts).
@@ -41,8 +45,10 @@
     if (response.status === HttpStatusCode.Ok) {
       const data: LookupResolveValue = await response.json();
       return data.name === name;
+    } else if (response.status === HttpStatusCode.NotFound) {
+      return false;
     }
-    return false;
+    return true;
   } catch (err) {
     return true;
   }
@@ -53,7 +59,7 @@
 
   const checkResult: PasswordCheckResult = {
     strong: strengthResult.id === PasswordStrength.Strong.valueOf(),
-    value: strengthResult.value,
+    valueCode: idToStrengthValueCode[strengthResult.id] ?? 'default',
   };
 
   return checkResult;