diff --git a/ktor-network/js/src/io/ktor/network/sockets/SocketTimeoutException.kt b/ktor-network/js/src/io/ktor/network/sockets/SocketTimeoutException.kt
index 0cfcf6df0b1..7ddebd9ff93 100644
--- a/ktor-network/js/src/io/ktor/network/sockets/SocketTimeoutException.kt
+++ b/ktor-network/js/src/io/ktor/network/sockets/SocketTimeoutException.kt
@@ -6,4 +6,9 @@ package io.ktor.network.sockets
 
 import io.ktor.utils.io.errors.*
 
-public actual class SocketTimeoutException actual constructor(message: String) : IOException(message)
+public actual class SocketTimeoutException(
+    message: String,
+    cause: Throwable?
+) : IOException(message, cause) {
+    public actual constructor(message: String) : this(message, null)
+}
diff --git a/ktor-network/posix/src/io/ktor/network/sockets/SocketTimeoutException.kt b/ktor-network/posix/src/io/ktor/network/sockets/SocketTimeoutException.kt
index e9183f480d7..964906814c1 100644
--- a/ktor-network/posix/src/io/ktor/network/sockets/SocketTimeoutException.kt
+++ b/ktor-network/posix/src/io/ktor/network/sockets/SocketTimeoutException.kt
@@ -7,4 +7,9 @@ package io.ktor.network.sockets
 import io.ktor.utils.io.errors.*
 
 @Suppress("EXPECT_WITHOUT_ACTUAL")
-public actual class SocketTimeoutException actual constructor(message: String) : IOException(message)
+public actual class SocketTimeoutException(
+    message: String,
+    cause: Throwable?
+) : IOException(message, cause) {
+    public actual constructor(message: String) : this(message, null)
+}