diff --git a/CHANGES.md b/CHANGES.md
index 4396c3260..192a84342 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -14,6 +14,7 @@ Bug Fixes
 ---------
 * [#1644](https://github.com/java-native-access/jna/issues/1644): Fix bug in VARDESC and TYPEDESC causing an illegal memory access - [@lwahonen](https://github.com/lwahonen)
 * [#1715](https://github.com/java-native-access/jna/pull/1715): Fix `UdevDevice.getSysname()` calling `udev_device_get_syspath` instead of `udev_device_get_sysname` - [@dbwiddis](https://github.com/dbwiddis).
+* [#1721](https://github.com/java-native-access/jna/pull/1721): Fix switched `serverName`/`domainName` arguments in `Netapi32Util#getDCName` - [@dbwiddis](https://github.com/dbwiddis).
 
 Release 5.18.1
 ==============
diff --git a/contrib/platform/src/com/sun/jna/platform/win32/Netapi32Util.java b/contrib/platform/src/com/sun/jna/platform/win32/Netapi32Util.java
index 8a6488ba4..55fe2340a 100644
--- a/contrib/platform/src/com/sun/jna/platform/win32/Netapi32Util.java
+++ b/contrib/platform/src/com/sun/jna/platform/win32/Netapi32Util.java
@@ -118,7 +118,7 @@ public static String getDCName() {
     public static String getDCName(String serverName, String domainName) {
         PointerByReference bufptr = new PointerByReference();
         try {
-            int rc = Netapi32.INSTANCE.NetGetDCName(domainName, serverName, bufptr);
+            int rc = Netapi32.INSTANCE.NetGetDCName(serverName, domainName, bufptr);
             if (LMErr.NERR_Success != rc) {
                 throw new Win32Exception(rc);
             }