diff --git a/windows-nsis/openvpn.nsi b/windows-nsis/openvpn.nsi
index e92904d..aff7cb3 100755
--- a/windows-nsis/openvpn.nsi
+++ b/windows-nsis/openvpn.nsi
@@ -1,6 +1,7 @@
 ; ****************************************************************************
 ; * Copyright (C) 2002-2010 OpenVPN Technologies, Inc.                       *
 ; * Copyright (C)      2012 Alon Bar-Lev <alon.barlev@gmail.com>             *
+; * Portions Copyright (C) 2018 Microsoft Corporation                        *
 ; *  This program is free software; you can redistribute it and/or modify    *
 ; *  it under the terms of the GNU General Public License version 2          *
 ; *  as published by the Free Software Foundation.                           *
@@ -443,8 +444,10 @@ Section /o "${PACKAGE_NAME} GUI" SecOpenVPNGUI
 
 	${If} ${RunningX64}
 		File "${OPENVPN_ROOT_X86_64}\bin\openvpn-gui.exe"
+		File "${OPENVPN_ROOT_X86_64}\bin\libopenvpndialer-0.dll"
 	${Else}
 		File "${OPENVPN_ROOT_I686}\bin\openvpn-gui.exe"
+		File "${OPENVPN_ROOT_I686}\bin\libopenvpndialer-0.dll"
 	${EndIf}
 
 	${If} ${SectionIsSelected} ${SecAddShortcutsWorkaround}
@@ -770,6 +773,7 @@ Section "Uninstall"
 	${EndIf}
 
 	Delete "$INSTDIR\bin\openvpn-gui.exe"
+	Delete "$INSTDIR\bin\libopenvpndialer-0.dll"
 	Delete "$DESKTOP\${PACKAGE_NAME} GUI.lnk"
 
 	Delete "$INSTDIR\bin\openvpn.exe"