diff --git a/src/add-ons/kernel/drivers/input/usb_hid/KeyboardProtocolHandler.cpp b/src/add-ons/kernel/drivers/input/usb_hid/KeyboardProtocolHandler.cpp
index a30af96b3d..9824a6f7d2 100644
--- a/src/add-ons/kernel/drivers/input/usb_hid/KeyboardProtocolHandler.cpp
+++ b/src/add-ons/kernel/drivers/input/usb_hid/KeyboardProtocolHandler.cpp
@@ -771,6 +771,6 @@ KeyboardProtocolHandler::_ReadReport(bigtime_t timeout, uint32 *cookie)
 		keyDown = true;
 	}
 
-	memcpy(fLastKeys, fCurrentKeys, fKeyCount * sizeof(uint32));
+	memcpy(fLastKeys, fCurrentKeys, fKeyCount * sizeof(uint16));
 	return B_OK;
 }