diff --git a/drivers/qmimodem/qmibridge.c b/drivers/qmimodem/qmibridge.c
index 5e1e6b52..1cdb91b2 100644
--- a/drivers/qmimodem/qmibridge.c
+++ b/drivers/qmimodem/qmibridge.c
@@ -29,7 +29,7 @@ static void ask_qmi(const char *prefix, void *data, size_t len)
 	DBG("%s: %s", prefix, printable);
 
 	qmi_message_unref(message);
-	g_byte_array_free(buffer);
+	g_byte_array_free(buffer, TRUE);
 	g_free(printable);
 }
 void qmibridge_decode_read(void *data, size_t len)