diff --git a/mswin32/winpcap/winpcap-nmap.nsi b/mswin32/winpcap/winpcap-nmap.nsi
index 71f15ab43..4f16ee0f0 100644
--- a/mswin32/winpcap/winpcap-nmap.nsi
+++ b/mswin32/winpcap/winpcap-nmap.nsi
@@ -13,6 +13,8 @@
 ;; Rob Nicholls
 ;; Updated to 4.1.1, October 2009
 
+SetCompressor /SOLID /FINAL lzma
+
 ;--------------------------------
 ;Include Modern UI