diff --git a/src/HSFM/FileSystem/Errors.hs b/src/HSFM/FileSystem/Errors.hs
index c2c5112..9d1e744 100644
--- a/src/HSFM/FileSystem/Errors.hs
+++ b/src/HSFM/FileSystem/Errors.hs
@@ -96,8 +96,8 @@ instance Show FmIOException where
   show InvalidFileName = "Invalid file name!"
   show (Can'tOpenDirectory fp) = "Can't open directory: "
                                  ++ P.fpToString fp
-  show (CopyFailed str) = "Copying failed: " ++ show str
-  show (MoveFailed str) = "Moving failed: " ++ show str
+  show (CopyFailed str) = "Copying failed: " ++ str
+  show (MoveFailed str) = "Moving failed: " ++ str