diff --git a/libi2pd/RouterContext.cpp b/libi2pd/RouterContext.cpp
index 6c5d3405..a7273376 100644
--- a/libi2pd/RouterContext.cpp
+++ b/libi2pd/RouterContext.cpp
@@ -224,7 +224,7 @@ namespace i2p
 					if (port == 9150) port = 9151; // Tor browser
 				}
 				if (port) address->port = port;
-				address->cost = publish ? 3 : 14;
+				address->cost = publish ? i2p::data::COST_NTCP2_PUBLISHED : i2p::data::COST_NTCP2_NON_PUBLISHED;
 				address->ntcp2->isPublished = publish;
 				address->ntcp2->iv = m_NTCP2Keys->iv;
 				updated = true;
@@ -432,7 +432,7 @@ namespace i2p
 		for (auto& addr : addresses)
 			if (addr->ssu)
 			{
-				addr->cost = 11; 
+				addr->cost = i2p::data::COST_SSU_THROUGH_INTRODUCERS; 
 				addr->caps &= ~i2p::data::RouterInfo::eSSUIntroducer; // can't be introducer
 				addr->ssu->introducers.clear ();
 				port = addr->port;
@@ -460,7 +460,7 @@ namespace i2p
 		for (auto& addr : addresses)
 			if (addr->ssu)
 			{
-				addr->cost = 9; 
+				addr->cost = i2p::data::COST_SSU_DIRECT; 
 				addr->caps |= i2p::data::RouterInfo::eSSUIntroducer;
 				addr->ssu->introducers.clear ();
 				port = addr->port;
diff --git a/libi2pd/RouterInfo.cpp b/libi2pd/RouterInfo.cpp
index c73800df..4ea66add 100644
--- a/libi2pd/RouterInfo.cpp
+++ b/libi2pd/RouterInfo.cpp
@@ -772,7 +772,7 @@ namespace data
 		addr->host = boost::asio::ip::address::from_string (host);
 		addr->port = port;
 		addr->transportStyle = eTransportSSU;
-		addr->cost = 9; // NTCP2 should have priority over SSU
+		addr->cost = COST_SSU_DIRECT; // NTCP2 should have priority over SSU
 		addr->caps = i2p::data::RouterInfo::eSSUTesting | i2p::data::RouterInfo::eSSUIntroducer; // BC;
 		addr->date = 0;
 		addr->ssu.reset (new SSUExt ());
@@ -796,7 +796,7 @@ namespace data
 		addr->host = host;
 		addr->port = port;
 		addr->transportStyle = eTransportNTCP;
-		addr->cost = port ? 3 : 14; // override from RouterContext::PublishNTCP2Address
+		addr->cost = port ? COST_NTCP2_PUBLISHED : COST_NTCP2_NON_PUBLISHED; // override from RouterContext::PublishNTCP2Address
 		addr->caps = 0;
 		addr->date = 0;
 		addr->ntcp2.reset (new NTCP2Ext ());
diff --git a/libi2pd/RouterInfo.h b/libi2pd/RouterInfo.h
index 855f16f1..9e9f00cd 100644
--- a/libi2pd/RouterInfo.h
+++ b/libi2pd/RouterInfo.h
@@ -49,6 +49,11 @@ namespace data
 	const char CAPS_FLAG_SSU_TESTING = 'B';
 	const char CAPS_FLAG_SSU_INTRODUCER = 'C';
 
+	const uint8_t COST_NTCP2_PUBLISHED = 3;
+	const uint8_t COST_NTCP2_NON_PUBLISHED = 14;
+	const uint8_t COST_SSU_DIRECT = 9;
+	const uint8_t COST_SSU_THROUGH_INTRODUCERS = 11;
+	
 	const int MAX_RI_BUFFER_SIZE = 2048; // if RouterInfo exceeds 2048 we consider it as malformed, might be changed later
 	class RouterInfo: public RoutingDestination
 	{