diff --git a/ktor-client/ktor-client-core/common/test/CookiesTest.kt b/ktor-client/ktor-client-core/common/test/CookiesTest.kt
index 6883ac6a62b..9403b357b2f 100644
--- a/ktor-client/ktor-client-core/common/test/CookiesTest.kt
+++ b/ktor-client/ktor-client-core/common/test/CookiesTest.kt
@@ -43,7 +43,7 @@ class CookiesTest {
     }
 
     @Test
-    fun testCookiesAreRenderedWithSpaceInBetween() = testSuspend{
+    fun testCookiesAreRenderedWithSpaceInBetween() = testSuspend {
         var storage = AcceptAllCookiesStorage()
         storage.addCookie("http://localhost/", Cookie("name1", "value1"))
         storage.addCookie("http://localhost/", Cookie("name2", "value2"))
diff --git a/ktor-client/ktor-client-plugins/ktor-client-content-negotiation/common/test/io/ktor/client/plugins/ContentNegotiationTests.kt b/ktor-client/ktor-client-plugins/ktor-client-content-negotiation/common/test/io/ktor/client/plugins/ContentNegotiationTests.kt
index c00ec9a0584..f67af2b4cb8 100644
--- a/ktor-client/ktor-client-plugins/ktor-client-content-negotiation/common/test/io/ktor/client/plugins/ContentNegotiationTests.kt
+++ b/ktor-client/ktor-client-plugins/ktor-client-content-negotiation/common/test/io/ktor/client/plugins/ContentNegotiationTests.kt
@@ -402,8 +402,6 @@ class ContentNegotiationTests {
         }
     }
 
-
-
     object Thing
 
     data class StringWrapper(val value: String)
diff --git a/ktor-server/ktor-server-host-common/jvm/src/io/ktor/server/engine/internal/EngineUtilsJvm.kt b/ktor-server/ktor-server-host-common/jvm/src/io/ktor/server/engine/internal/EngineUtilsJvm.kt
new file mode 100644
index 00000000000..acf6e3f2069
--- /dev/null
+++ b/ktor-server/ktor-server-host-common/jvm/src/io/ktor/server/engine/internal/EngineUtilsJvm.kt
@@ -0,0 +1,15 @@
+/*
+ * Copyright 2014-2022 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
+ */
+
+package io.ktor.server.engine.internal
+
+private val OS_NAME = System.getProperty("os.name", "")
+    .lowercase()
+
+internal actual fun escapeHostname(value: String): String {
+    if (!OS_NAME.contains("windows")) return value
+    if (value != "0.0.0.0") return value
+
+    return "127.0.0.1"
+}
diff --git a/ktor-server/ktor-server-host-common/jvmAndNix/src/io/ktor/server/engine/BaseApplicationEngine.kt b/ktor-server/ktor-server-host-common/jvmAndNix/src/io/ktor/server/engine/BaseApplicationEngine.kt
index 1b4a77fc032..6abddaae7af 100644
--- a/ktor-server/ktor-server-host-common/jvmAndNix/src/io/ktor/server/engine/BaseApplicationEngine.kt
+++ b/ktor-server/ktor-server-host-common/jvmAndNix/src/io/ktor/server/engine/BaseApplicationEngine.kt
@@ -72,8 +72,9 @@ public abstract class BaseApplicationEngine(
         val log = environment.log
         CoroutineScope(environment.application.coroutineContext).launch {
             connectors.await().forEach {
+                val host = escapeHostname(it.host)
                 log.info(
-                    "Responding at ${it.type.name.lowercase()}://${it.host}:${it.port}"
+                    "Responding at ${it.type.name.lowercase()}://$host:${it.port}"
                 )
             }
         }
diff --git a/ktor-server/ktor-server-host-common/jvmAndNix/src/io/ktor/server/engine/internal/EngineUtils.kt b/ktor-server/ktor-server-host-common/jvmAndNix/src/io/ktor/server/engine/internal/EngineUtils.kt
new file mode 100644
index 00000000000..6f4e9c9c19d
--- /dev/null
+++ b/ktor-server/ktor-server-host-common/jvmAndNix/src/io/ktor/server/engine/internal/EngineUtils.kt
@@ -0,0 +1,7 @@
+/*
+ * Copyright 2014-2022 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
+ */
+
+package io.ktor.server.engine.internal
+
+internal expect fun escapeHostname(value: String): String
diff --git a/ktor-server/ktor-server-host-common/nix/src/io/ktor/server/engine/internal/EngineUtilsNix.kt b/ktor-server/ktor-server-host-common/nix/src/io/ktor/server/engine/internal/EngineUtilsNix.kt
new file mode 100644
index 00000000000..0e3db378896
--- /dev/null
+++ b/ktor-server/ktor-server-host-common/nix/src/io/ktor/server/engine/internal/EngineUtilsNix.kt
@@ -0,0 +1,7 @@
+/*
+ * Copyright 2014-2022 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
+ */
+
+package io.ktor.server.engine.internal
+
+internal actual fun escapeHostname(value: String): String = value