diff --git a/hledger-lib/Hledger/Utils/String.hs b/hledger-lib/Hledger/Utils/String.hs
index 03342317d..389c6d2fb 100644
--- a/hledger-lib/Hledger/Utils/String.hs
+++ b/hledger-lib/Hledger/Utils/String.hs
@@ -111,7 +111,7 @@ underline s = s' ++ replicate (length s) '-' ++ "\n"
 -- | Double-quote this string if it contains whitespace, single quotes
 -- or double-quotes, escaping the quotes as needed.
 quoteIfNeeded :: String -> String
-quoteIfNeeded s | any (`elem` s) (quotechars++whitespacechars) = "\"" ++ escapeDoubleQuotes s ++ "\""
+quoteIfNeeded s | any (`elem` s) (quotechars++whitespacechars++redirectchars) = "\"" ++ escapeDoubleQuotes s ++ "\""
                 | otherwise = s
 -- | Single-quote this string if it contains whitespace or double-quotes.
 -- No good for strings containing single quotes.
@@ -119,9 +119,10 @@ singleQuoteIfNeeded :: String -> String
 singleQuoteIfNeeded s | any (`elem` s) whitespacechars = "'"++s++"'"
                       | otherwise = s
 
-quotechars, whitespacechars :: [Char]
+quotechars, whitespacechars, redirectchars :: [Char]
 quotechars      = "'\""
 whitespacechars = " \t\n\r"
+redirectchars   = "<>"
 
 escapeDoubleQuotes :: String -> String
 escapeDoubleQuotes = regexReplace "\"" "\""
diff --git a/tests/addons/addons.test b/tests/addons/addons.test
index 3c291f069..271461a86 100644
--- a/tests/addons/addons.test
+++ b/tests/addons/addons.test
@@ -4,22 +4,49 @@
 # they always run the first hledger executable in PATH
 
 # 1. flags after an add-command are handled by the add-on
- PATH=$PATH:. hledger addon --help
->>> /hledger-addon/
->>>=0
+$ PATH=$PATH:. hledger addon --help
+> /hledger-addon/
+>=0
 
 # 2. add-on flags which are not also defined in the main executable are a problem
- PATH=$PATH:. hledger addon --addonflag
->>>2 /Unknown flag: --addonflag/
->>>=1
+$ PATH=$PATH:. hledger addon --addonflag
+>2 /Unknown flag: --addonflag/
+>=1
 
 # 3. hledger main executable ignores anything after -- (and hides the -- from the add-on)
- PATH=$PATH:. hledger addon --help -- --addonflag
->>> /hledger-addon/
->>>=0
+$ PATH=$PATH:. hledger addon --help -- --addonflag
+> /hledger-addon/
+>=0
 
 # TODO how to reliably ensure no addons but still find the hledger executable ?
 # 4. having no addons shouldn't break the commands list
-# PATH= ~/.local/bin/stack exec -- hledger
-#>>>=0
+# $ PATH= ~/.local/bin/stack exec -- hledger
+# >=0
 
+# ############################    issue 457    #####################################
+#                                                                                  #
+# These tests are commented out, as they are not working properly. See:            #
+#  https://github.com/simonmichael/hledger/pull/1140#issuecomment-562793255        #
+#                                                                                  #
+# # 5. test for `>` in https://github.com/simonmichael/hledger/issues/457          #
+# # note a shelltest already provides one level of quoting, so amt:>0 not 'amt:>0' #
+# #                                                                                #
+# $ hledger -f - ui amt:>0                                                         #
+# >2 !/could not parse/                                                            #
+# >=1                                                                              #
+#                                                                                  #
+# # 6. test for `<` in https://github.com/simonmichael/hledger/issues/457          #
+# $ hledger -f - ui amt:<0                                                         #
+# >2 !/could not parse/                                                            #
+# >=1                                                                              #
+#                                                                                  #
+# # 7. test for `>=` in https://github.com/simonmichael/hledger/issues/457         #
+# $ hledger -f - ui amt:>=0                                                        #
+# >2 !/could not parse/                                                            #
+# >=1                                                                              #
+#                                                                                  #
+# # 8. test for `<=` in https://github.com/simonmichael/hledger/issues/457         #
+# $ hledger -f - ui amt:<=0                                                        #
+# >2 !/could not parse/                                                            #
+# >=1                                                                              #
+# ##################################################################################
diff --git a/tests/rewrite.test b/tests/rewrite.test
index 93e058fb5..39b698d8c 100644
--- a/tests/rewrite.test
+++ b/tests/rewrite.test
@@ -142,14 +142,14 @@ hledger rewrite -f- assets:bank and 'amt:<0' --add-posting 'expenses:fee  $5'  -
 2016/01/01 withdraw  ; modified:
     assets:cash              $20
     assets:bank
-    expenses:fee              $5  ; generated-posting: = assets:bank and amt:<0
-    assets:bank              $-5  ; generated-posting: = assets:bank and amt:<0
+    expenses:fee              $5  ; generated-posting: = assets:bank and "amt:<0"
+    assets:bank              $-5  ; generated-posting: = assets:bank and "amt:<0"
 
 2016/01/02 withdraw  ; modified:
     assets:cash
     assets:bank             $-30
-    expenses:fee              $5  ; generated-posting: = assets:bank and amt:<0
-    assets:bank              $-5  ; generated-posting: = assets:bank and amt:<0
+    expenses:fee              $5  ; generated-posting: = assets:bank and "amt:<0"
+    assets:bank              $-5  ; generated-posting: = assets:bank and "amt:<0"
 
 >>>2
 >>>=0
@@ -240,14 +240,14 @@ hledger rewrite --diff -f- assets:bank and 'amt:<0' --add-posting 'expenses:fee
 +2016/01/01 withdraw  ; modified:
      assets:cash              $20
      assets:bank
-+    expenses:fee              $5  ; generated-posting: = assets:bank and amt:<0
-+    assets:bank              $-5  ; generated-posting: = assets:bank and amt:<0
++    expenses:fee              $5  ; generated-posting: = assets:bank and "amt:<0"
++    assets:bank              $-5  ; generated-posting: = assets:bank and "amt:<0"
 @@ -5,3 +7,5 @@
 -2016/01/02 withdraw
 +2016/01/02 withdraw  ; modified:
      assets:cash
      assets:bank             $-30
-+    expenses:fee              $5  ; generated-posting: = assets:bank and amt:<0
-+    assets:bank              $-5  ; generated-posting: = assets:bank and amt:<0
++    expenses:fee              $5  ; generated-posting: = assets:bank and "amt:<0"
++    assets:bank              $-5  ; generated-posting: = assets:bank and "amt:<0"
 >>>2
 >>>=0