diff --git a/packages/hooks/src/useSelections/__tests__/index.test.ts b/packages/hooks/src/useSelections/__tests__/index.test.ts
index 15cfa76191..07088485f0 100644
--- a/packages/hooks/src/useSelections/__tests__/index.test.ts
+++ b/packages/hooks/src/useSelections/__tests__/index.test.ts
@@ -183,6 +183,12 @@ describe('useSelections', () => {
       expect(result.current.noneSelected).toBe(false);
       expect(result.current.allSelected).toBe(true);
       expect(result.current.partiallySelected).toBe(false);
+
+      // Keep compatible with older versions.
+      act(() => {
+        expect(() => setSelected(undefined!)).not.toThrowError();
+        expect(() => setSelected(null!)).not.toThrowError();
+      });
     };
 
     runCaseCallback(caseCallback, caseCallback);
diff --git a/packages/hooks/src/useSelections/index.ts b/packages/hooks/src/useSelections/index.ts
index e98ce0fa3b..a8ddc2056e 100644
--- a/packages/hooks/src/useSelections/index.ts
+++ b/packages/hooks/src/useSelections/index.ts
@@ -36,6 +36,10 @@ export default function useSelections<T>(items: T[], options?: T[] | Options<T>)
   const selectedMap = useMemo(() => {
     const keyToItemMap = new Map();
 
+    if (!Array.isArray(selected)) {
+      return keyToItemMap;
+    }
+
     selected.forEach((item) => {
       keyToItemMap.set(getKey(item), item);
     });