diff --git a/screen.cpp b/screen.cpp
index 616ca0d9c..43300eebe 100644
--- a/screen.cpp
+++ b/screen.cpp
@@ -118,7 +118,7 @@ static size_t next_tab_stop( size_t in )
 	/*
 	  Assume tab stops every 8 characters if undefined
 	*/
-    size_t tab_width = (init_tabs > 0 ? (size_t)init_tabs : 8);
+	size_t tab_width = (init_tabs > 0 ? (size_t)init_tabs : 8);
 	return ( (in/tab_width)+1 )*tab_width;
 }