diff --git a/core/kotlinx-coroutines-io/src/test/kotlin/kotlinx/coroutines/experimental/io/ByteBufferChannelTest.kt b/core/kotlinx-coroutines-io/src/test/kotlin/kotlinx/coroutines/experimental/io/ByteBufferChannelTest.kt
index 9e18d30..b074a4a 100644
--- a/core/kotlinx-coroutines-io/src/test/kotlin/kotlinx/coroutines/experimental/io/ByteBufferChannelTest.kt
+++ b/core/kotlinx-coroutines-io/src/test/kotlin/kotlinx/coroutines/experimental/io/ByteBufferChannelTest.kt
@@ -29,7 +29,7 @@
 
 class ByteBufferChannelTest : TestBase() {
     @get:Rule
-    val timeout = Timeout(100, TimeUnit.SECONDS)
+    val timeout = Timeout(100L * stressTestMultiplier, TimeUnit.SECONDS)
 
     @get:Rule
     private val failures = ErrorCollector()