diff --git a/src/rfcomm.c b/src/rfcomm.c
index 85a52b5ab..0980a5026 100644
--- a/src/rfcomm.c
+++ b/src/rfcomm.c
@@ -1569,8 +1569,8 @@ static void rfcomm_channel_state_machine(rfcomm_channel_t *channel, rfcomm_chann
     // TODO: integrate in common switch
     if (event->type == CH_EVT_RCVD_RPN_REQ){
         // all values are valid
-        channel->rpn_data->parameter_mask_0 = 0x7f;
-        channel->rpn_data->parameter_mask_1 = 0x3f;
+        channel->rpn_data.parameter_mask_0 = 0x7f;
+        channel->rpn_data.parameter_mask_1 = 0x3f;
         rfcomm_channel_state_add(channel, RFCOMM_CHANNEL_STATE_VAR_SEND_RPN_RSP);
         return;
     }