diff --git a/solanaceae/ngc_ft1/flow_only.hpp b/solanaceae/ngc_ft1/flow_only.hpp
index 3322a30..6e4d5f7 100644
--- a/solanaceae/ngc_ft1/flow_only.hpp
+++ b/solanaceae/ngc_ft1/flow_only.hpp
@@ -12,7 +12,7 @@ struct FlowOnly : public CCAI {
 	public: // config
 		static constexpr float RTT_EMA_ALPHA = 0.001f; // might need change over time
 		static constexpr float RTT_UP_MAX = 3.0f; // how much larger a delay can be to be taken into account
-		static constexpr float RTT_MAX = 2.f; // 2 sec is probably too much
+		static constexpr float RTT_MAX = 2.f; // maybe larger for tunneled connections
 
 	protected:
 		// initialize to low value, will get corrected very fast
diff --git a/solanaceae/ngc_ft1/ngcft1.cpp b/solanaceae/ngc_ft1/ngcft1.cpp
index f691cfd..c65e83d 100644
--- a/solanaceae/ngc_ft1/ngcft1.cpp
+++ b/solanaceae/ngc_ft1/ngcft1.cpp
@@ -625,7 +625,8 @@ bool NGCFT1::onEvent(const Events::NGCEXT_ft1_data& e) {
 
 		// TODO: keep around for remote timeout + delay + offset, so we can be sure all acks where received
 		// or implement a dedicated finished that needs to be acked
-		transfer.finishing_timer = 0.75f; // TODO: we are receiving, we dont know delay
+		//transfer.finishing_timer = 0.75f; // TODO: we are receiving, we dont know delay
+		transfer.finishing_timer = FlowOnly::RTT_MAX;
 
 		dispatch(
 			NGCFT1_Event::recv_done,