diff --git a/installer/resources/wrapper.config b/installer/resources/wrapper.config
index 379b0609d07b7071eea61fc7798eccd07249e93f..b17b3a83dd9b618147e2829bafa3babd638e605b 100644
--- a/installer/resources/wrapper.config
+++ b/installer/resources/wrapper.config
@@ -254,7 +254,7 @@ wrapper.console.title=I2P Service
 # for a detailed explanation of these settings.
 wrapper.umask=0022
 wrapper.java.umask=0022
-wrapper.logfile.umask=077
+wrapper.logfile.umask=0077
 
 #********************************************************************
 # Wrapper NT Service Properties