diff --git a/doc/Changelog b/doc/Changelog
index 2a5a161b7..2256449a2 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -1,3 +1,6 @@
+31 August 2015: Wouter
+	- changed windows setup compression to be more transparent.
+
 28 August 2015: Wouter
 	- Fix #697: Get PY_MAJOR_VERSION failure at configure for python
 	  2.4 to 2.6.
diff --git a/winrc/setup.nsi b/winrc/setup.nsi
index bf47165f3..b291b9f6b 100644
--- a/winrc/setup.nsi
+++ b/winrc/setup.nsi
@@ -1,6 +1,8 @@
 # The NSIS (http://nsis.sourceforge.net) install script.
 # This script is BSD licensed.
-SetCompressor /solid /final lzma
+
+# use the default compression to help anti-virus in scanning us
+#SetCompressor /solid /final lzma
 
 !include LogicLib.nsh
 !include MUI2.nsh