diff --git a/installer/ED_LRR.iss b/installer/ED_LRR.iss
index 0ea6aac..2498082 100644
--- a/installer/ED_LRR.iss
+++ b/installer/ED_LRR.iss
@@ -4,7 +4,7 @@ AppVersion ="0.1.0"
 ; WizardStyle = modern
 DefaultDirName = {autopf}\ED_LRR
 DefaultGroupName=ED_LRR
-Compression = lzma/ultra
+Compression = lzma2/ultra
 SolidCompression = true
 InternalCompressLevel = ultra
 OutputBaseFilename="ED_LRR Setup"