diff --git a/envy24control/envy24control.c b/envy24control/envy24control.c
index 5880978..81570c3 100644
--- a/envy24control/envy24control.c
+++ b/envy24control/envy24control.c
@@ -1052,7 +1052,7 @@ int main(int argc, char **argv)
 		fprintf(stderr, "snd_ctl_card_info: %s\n", snd_strerror(err));
 		exit(EXIT_FAILURE);
 	}
-	if (!strcmp(snd_ctl_card_info_get_driver(hw_info), "ICE1712")) {
+	if (strcmp(snd_ctl_card_info_get_driver(hw_info), "ICE1712")) {
 		fprintf(stderr, "invalid card type (driver is %s)\n", snd_ctl_card_info_get_driver(hw_info));
 		exit(EXIT_FAILURE);
 	}