diff --git a/NRefactory.sln b/NRefactory.sln
index 50435316f6..2461dbeeef 100644
--- a/NRefactory.sln
+++ b/NRefactory.sln
@@ -107,6 +107,7 @@ Global
 		$0.TextStylePolicy = $1
 		$1.FileWidth = 120
 		$1.TabWidth = 4
+		$1.IndentWidth = 4
 		$1.EolMarker = Unix
 		$1.inheritsSet = Mono
 		$1.inheritsScope = text/plain