diff --git a/drivers/hid/hid-roccat.c b/drivers/hid/hid-roccat.c
index c9cec00b4e6e..4847344f4d5e 100644
--- a/drivers/hid/hid-roccat.c
+++ b/drivers/hid/hid-roccat.c
@@ -260,6 +260,7 @@ int roccat_report_event(int minor, u8 const *data)
 	if (!new_value)
 		return -ENOMEM;
 
+	mutex_lock(&device->readers_lock);
 	mutex_lock(&device->cbuf_lock);
 
 	report = &device->cbuf[device->cbuf_end];
@@ -282,6 +283,7 @@ int roccat_report_event(int minor, u8 const *data)
 	}
 
 	mutex_unlock(&device->cbuf_lock);
+	mutex_unlock(&device->readers_lock);
 
 	wake_up_interruptible(&device->wait);
 	return 0;