diff --git a/src/ShellCheck/Fixer.hs b/src/ShellCheck/Fixer.hs
index 78abfeb..2a96f79 100644
--- a/src/ShellCheck/Fixer.hs
+++ b/src/ShellCheck/Fixer.hs
@@ -10,7 +10,7 @@ class Ranged a where
     end     :: a -> Position
     overlap :: a -> a -> Bool
     overlap x y =
-        (yStart >= xStart && yStart < xEnd) || (yStart < xStart && yEnd > xStart)
+        (yStart >= xStart && yStart <= xEnd) || (yStart < xStart && yEnd > xStart)
         where
             yStart = start y
             yEnd = end y