1 files changed, 1 insertions, 1 deletions
diff --git a/src/peripherals/gpio.spec.ts b/src/peripherals/gpio.spec.ts
index 67cd779..755476e 100644
--- a/src/peripherals/gpio.spec.ts
+++ b/src/peripherals/gpio.spec.ts
@@ -137,7 +137,7 @@ describe('GPIO', () => {
       cpu.writeData(DDRB, 0x0f);
       port.removeListener(listener);
       cpu.writeData(PORTB, 0x99);
-      expect(listener).toBeCalledTimes(1);
+      expect(listener).toHaveBeenCalledTimes(1);
     });
   });