diff --git a/src/stkutil.c b/src/stkutil.c
index 65def097..003d96e7 100644
--- a/src/stkutil.c
+++ b/src/stkutil.c
@@ -4086,6 +4086,7 @@ unsigned int stk_pdu_from_response(const struct stk_response *response,
 		break;
 	case STK_COMMAND_TYPE_SEND_DTMF:
 	case STK_COMMAND_TYPE_LANGUAGE_NOTIFICATION:
+	case STK_COMMAND_TYPE_LAUNCH_BROWSER:
 		break;
 	default:
 		return 0;
diff --git a/src/stkutil.h b/src/stkutil.h
index cd9ef46f..cc5801c9 100644
--- a/src/stkutil.h
+++ b/src/stkutil.h
@@ -1166,6 +1166,7 @@ struct stk_response {
 		struct stk_response_run_at_command run_at_command;
 		struct stk_response_generic send_dtmf;
 		struct stk_response_generic language_notification;
+		struct stk_response_generic launch_browser;
 	};
 
 	void (*destructor)(struct stk_response *response);