diff --git a/collects/framework/private/scheme.ss b/collects/framework/private/scheme.ss
index b63c9b55..975d2777 100644
--- a/collects/framework/private/scheme.ss
+++ b/collects/framework/private/scheme.ss
@@ -958,7 +958,7 @@
 	      (unless (and (null? (send text get-tabs #f bw bu))
 			   (= tab-size (unbox bw))
 			   (not (unbox bu)))
-		(send text set-tabs null (send text get-tab-size) #f)))
+                	(send text set-tabs null (send text get-tab-size) #f)))
             (send text set-styles-fixed #t)
 	    (send text end-edit-sequence))