diff --git a/source/com.microsoft.tfs.jni/src/com/microsoft/tfs/jni/internal/platformmisc/WindowsNativePlatformMisc.java b/source/com.microsoft.tfs.jni/src/com/microsoft/tfs/jni/internal/platformmisc/WindowsNativePlatformMisc.java
index bacc89f20..fa852ccb2 100644
--- a/source/com.microsoft.tfs.jni/src/com/microsoft/tfs/jni/internal/platformmisc/WindowsNativePlatformMisc.java
+++ b/source/com.microsoft.tfs.jni/src/com/microsoft/tfs/jni/internal/platformmisc/WindowsNativePlatformMisc.java
@@ -96,6 +96,7 @@ public String getCurrentIdentityUser() {
             }
 
             Memory ownerToken = new Memory(ownerTokenSize.getValue());
+            ownerToken.clear();
             WinNT.TOKEN_OWNER tokenOwner = new WinNT.TOKEN_OWNER(ownerToken);
 
             if (!advapi32.GetTokenInformation(