diff --git a/build.gradle.kts b/build.gradle.kts
index fd2f3d8..d6ab9cf 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -13,7 +13,7 @@ val xodusVersion by extra("2.0.1")
 
 allprojects {
     group = "space.kscience"
-    version = "0.3.0-dev-3"
+    version = "0.3.0-dev-4"
     repositories{
         maven("https://maven.pkg.jetbrains.space/spc/p/sci/dev")
     }
diff --git a/controls-core/src/jvmMain/kotlin/space/kscience/controls/ports/ChannelPort.kt b/controls-core/src/jvmMain/kotlin/space/kscience/controls/ports/ChannelPort.kt
index ec50d47..f450607 100644
--- a/controls-core/src/jvmMain/kotlin/space/kscience/controls/ports/ChannelPort.kt
+++ b/controls-core/src/jvmMain/kotlin/space/kscience/controls/ports/ChannelPort.kt
@@ -51,7 +51,7 @@ public class ChannelPort(
                 }
                 if (num < 0) cancel("The input channel is exhausted")
             } catch (ex: Exception) {
-                if(ex is AsynchronousCloseException){
+                if (ex is AsynchronousCloseException) {
                     logger.info { "Channel $channel closed" }
                 } else {
                     logger.error(ex) { "Channel read error, retrying in 1 second" }
@@ -108,7 +108,7 @@ public object UdpPort : PortFactory {
     /**
      * Connect a datagram channel to a remote host/port. If [localPort] is provided, it is used to bind local port for receiving messages.
      */
-    public fun open(
+    public fun openChannel(
         context: Context,
         remoteHost: String,
         remotePort: Int,
@@ -130,6 +130,6 @@ public object UdpPort : PortFactory {
         val remotePort by meta.number { error("Remote port is not specified") }
         val localHost: String? by meta.string()
         val localPort: Int? by meta.int()
-        return open(context, remoteHost, remotePort.toInt(), localPort, localHost ?: "localhost")
+        return openChannel(context, remoteHost, remotePort.toInt(), localPort, localHost ?: "localhost")
     }
 }
\ No newline at end of file
diff --git a/controls-core/src/jvmTest/kotlin/space/kscience/controls/ports/PortIOTest.kt b/controls-core/src/jvmTest/kotlin/space/kscience/controls/ports/PortIOTest.kt
index 3f92500..daa6173 100644
--- a/controls-core/src/jvmTest/kotlin/space/kscience/controls/ports/PortIOTest.kt
+++ b/controls-core/src/jvmTest/kotlin/space/kscience/controls/ports/PortIOTest.kt
@@ -1,6 +1,10 @@
 package space.kscience.controls.ports
 
-import kotlinx.coroutines.flow.*
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.flowOf
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.flow.take
+import kotlinx.coroutines.flow.toList
 import kotlinx.coroutines.runBlocking
 import kotlinx.coroutines.test.runTest
 import org.junit.jupiter.api.Test
@@ -25,19 +29,19 @@ internal class PortIOTest {
 
     @Test
     fun testUdpCommunication() = runTest {
-        val receiver = UdpPort.open(Global, "localhost", 8811, localPort = 8812)
-        val sender = UdpPort.open(Global, "localhost", 8812, localPort = 8811)
+        val receiver = UdpPort.openChannel(Global, "localhost", 8811, localPort = 8812)
+        val sender = UdpPort.openChannel(Global, "localhost", 8812, localPort = 8811)
 
+        delay(30)
         repeat(10) {
             sender.send("Line number $it\n")
         }
 
         val res = receiver
             .receiving()
-            .onEach { println("ARRAY: ${it.decodeToString()}") }
             .withStringDelimiter("\n")
-            .onEach { println("LINE: $it") }
-            .take(10).toList()
+            .take(10)
+            .toList()
 
         assertEquals("Line number 3", res[3].trim())
         receiver.close()