diff --git a/packages/use-keyboard-shortcuts/src/__tests__/use-keyboard-shortcuts.test.ts b/packages/use-keyboard-shortcuts/src/__tests__/use-keyboard-shortcuts.test.ts
index 063f32bc..24885a0b 100644
--- a/packages/use-keyboard-shortcuts/src/__tests__/use-keyboard-shortcuts.test.ts
+++ b/packages/use-keyboard-shortcuts/src/__tests__/use-keyboard-shortcuts.test.ts
@@ -197,4 +197,44 @@ describe('useKeyboardShortcuts', () => {
 
     expect(handler).toHaveBeenCalledTimes(1);
   });
+
+  it('does not fire Cmd+K shortcut when Shift is also pressed', () => {
+    const handler = vi.fn();
+    const shortcuts: ShortcutDef[] = [{ key: 'k', meta: true, handler }];
+
+    renderHook(() => useKeyboardShortcuts(shortcuts));
+    fireKey('k', { metaKey: true, shiftKey: true });
+
+    expect(handler).not.toHaveBeenCalled();
+  });
+
+  it('does not fire Cmd+K shortcut when Alt is also pressed', () => {
+    const handler = vi.fn();
+    const shortcuts: ShortcutDef[] = [{ key: 'k', meta: true, handler }];
+
+    renderHook(() => useKeyboardShortcuts(shortcuts));
+    fireKey('k', { metaKey: true, altKey: true });
+
+    expect(handler).not.toHaveBeenCalled();
+  });
+
+  it('does not fire bare-key shortcut when meta is pressed', () => {
+    const handler = vi.fn();
+    const shortcuts: ShortcutDef[] = [{ key: 'Escape', handler }];
+
+    renderHook(() => useKeyboardShortcuts(shortcuts));
+    fireKey('Escape', { metaKey: true });
+
+    expect(handler).not.toHaveBeenCalled();
+  });
+
+  it('does not fire bare-key shortcut when shift is pressed', () => {
+    const handler = vi.fn();
+    const shortcuts: ShortcutDef[] = [{ key: '/', handler }];
+
+    renderHook(() => useKeyboardShortcuts(shortcuts));
+    fireKey('/', { shiftKey: true });
+
+    expect(handler).not.toHaveBeenCalled();
+  });
 });
diff --git a/packages/use-keyboard-shortcuts/src/use-keyboard-shortcuts.ts b/packages/use-keyboard-shortcuts/src/use-keyboard-shortcuts.ts
index 5307c300..75657404 100644
--- a/packages/use-keyboard-shortcuts/src/use-keyboard-shortcuts.ts
+++ b/packages/use-keyboard-shortcuts/src/use-keyboard-shortcuts.ts
@@ -35,9 +35,9 @@ export function useKeyboardShortcuts(shortcuts: ShortcutDef[]): void {
       const inInput = isInputElement(e.target);
 
       for (const shortcut of shortcuts) {
-        const metaMatch = shortcut.meta ? e.metaKey || e.ctrlKey : true;
-        const shiftMatch = shortcut.shift ? e.shiftKey : !e.shiftKey || !shortcut.meta; // only enforce no-shift when meta is set
-        const altMatch = shortcut.alt ? e.altKey : true;
+        const metaMatch = shortcut.meta ? e.metaKey || e.ctrlKey : !(e.metaKey || e.ctrlKey);
+        const shiftMatch = shortcut.shift ? e.shiftKey : !e.shiftKey;
+        const altMatch = shortcut.alt ? e.altKey : !e.altKey;
 
         // Normalize key comparison (case-insensitive for letters)
         const keyMatch = e.key.toLowerCase() === shortcut.key.toLowerCase();