diff --git a/hs-excelx.cabal b/hs-excelx.cabal
--- a/hs-excelx.cabal
+++ b/hs-excelx.cabal
@@ -2,7 +2,7 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                hs-excelx
-version:             0.5.2.0
+version:             0.5.2.1
 synopsis:            HS-Excelx provides basic read-only access to Excel 2007 and 2010 documents in XLSX format.
 -- description:         
 license:             BSD3
diff --git a/src/Data/Excelx.hs b/src/Data/Excelx.hs
--- a/src/Data/Excelx.hs
+++ b/src/Data/Excelx.hs
@@ -82,8 +82,8 @@
 catCells :: [Cell] -> [Cell]
 catCells cells = filter noCell cells
     where noCell c = case c of
-              NoCell _ -> True
-              _ -> False
+              NoCell _ -> False
+              _ -> True
 
 a1form :: Position -> T.Text
 a1form (A1 t) = t