diff --git a/transport/src/main/java/io/netty/channel/socket/nio/SelectorUtil.java b/transport/src/main/java/io/netty/channel/socket/nio/SelectorUtil.java
index 1a88de668c..b22bbba492 100644
--- a/transport/src/main/java/io/netty/channel/socket/nio/SelectorUtil.java
+++ b/transport/src/main/java/io/netty/channel/socket/nio/SelectorUtil.java
@@ -55,7 +55,7 @@ final class SelectorUtil {
             selectTimeout = DEFAULT_SELECT_TIMEOUT;
         }
         SELECT_TIMEOUT = selectTimeout;
-        SELECT_TIMEOUT_NANOS = TimeUnit.MILLISECONDS.toMicros(SELECT_TIMEOUT);
+        SELECT_TIMEOUT_NANOS = TimeUnit.MILLISECONDS.toNanos(SELECT_TIMEOUT);
         logger.debug("Using select timeout of " + SELECT_TIMEOUT);
     }