diff --git a/types/memoizee/index.d.ts b/types/memoizee/index.d.ts
index 9b98945d32..e96eb0548e 100644
--- a/types/memoizee/index.d.ts
+++ b/types/memoizee/index.d.ts
@@ -13,7 +13,7 @@ declare namespace memoizee {
     dispose?(value: any): void;
     async?: boolean;
     primitive?: boolean;
-    normalizer?(value: any): void;
+    normalizer?(args: any[]): string;
     resolvers?: Array<(arg: any) => any>;
   }
 
diff --git a/types/memoizee/memoizee-tests.ts b/types/memoizee/memoizee-tests.ts
index 355420cc74..1347cba618 100644
--- a/types/memoizee/memoizee-tests.ts
+++ b/types/memoizee/memoizee-tests.ts
@@ -26,7 +26,7 @@ memoized.clear('bar', 7); // Dispose called with bar7 value
 memoized.delete('foo', 0);
 const mFn = memoize((hash: any) => {
     // body of memoized function
-}, { normalizer: (args: any) => {
+}, { normalizer: (args: any[]) => {
     // args is arguments object as accessible in memoized function
     return JSON.stringify(args[0]);
 } });