diff --git a/development/Win32/packaging/installer/include/declarations.nsh b/development/Win32/packaging/installer/include/declarations.nsh
index 85d887600b..b0943dbe95 100644
--- a/development/Win32/packaging/installer/include/declarations.nsh
+++ b/development/Win32/packaging/installer/include/declarations.nsh
@@ -33,6 +33,11 @@ Declarations
 !define SHCNE_ASSOCCHANGED 0x08000000
 !define SHCNF_IDLIST 0x0000
 
+;--------------------------------
+;Windows Vista settings
+
+RequestExecutionLevel highest
+
 ;--------------------------------
 ;Reserve Files
 ;These files should come first in the compressed data (for faster GUI)