diff --git a/hledger-lib/Hledger/Data/Dates.hs b/hledger-lib/Hledger/Data/Dates.hs
index 17ff04835..c6ce3c0ad 100644
--- a/hledger-lib/Hledger/Data/Dates.hs
+++ b/hledger-lib/Hledger/Data/Dates.hs
@@ -427,13 +427,23 @@ nthdayofweekcontaining n d | d1 >= d    = d1
 --     parseTime defaultTimeLocale "%Y-%m-%d %H:%M:%S" s
 --     ]
 
+parsetime :: ParseTime t => TimeLocale -> String -> String -> Maybe t
+parsetime =
+#if MIN_VERSION_time(1,5,0)
+     parseTimeM True
+#else
+     parseTime
+#endif
+
+
 -- | Parse a couple of date string formats to a time type.
 parsedateM :: String -> Maybe Day
 parsedateM s = firstJust [
-     parseTime defaultTimeLocale "%Y/%m/%d" s,
-     parseTime defaultTimeLocale "%Y-%m-%d" s
+     parsetime defaultTimeLocale "%Y/%m/%d" s,
+     parsetime defaultTimeLocale "%Y-%m-%d" s
      ]
 
+
 -- -- | Parse a date-time string to a time type, or raise an error.
 -- parsedatetime :: String -> LocalTime
 -- parsedatetime s = fromMaybe (error' $ "could not parse timestamp \"" ++ s ++ "\"")
@@ -447,7 +457,7 @@ parsedate s =  fromMaybe (error' $ "could not parse date \"" ++ s ++ "\"")
 -- | Parse a time string to a time type using the provided pattern, or
 -- return the default.
 parsetimewith :: ParseTime t => String -> String -> t -> t
-parsetimewith pat s def = fromMaybe def $ parseTime defaultTimeLocale pat s
+parsetimewith pat s def = fromMaybe def $ parsetime defaultTimeLocale pat s
 
 {-|
 Parse a date in any of the formats allowed in ledger's period expressions,
diff --git a/hledger-lib/Hledger/Data/TimeLog.hs b/hledger-lib/Hledger/Data/TimeLog.hs
index 74705f364..3d6315289 100644
--- a/hledger-lib/Hledger/Data/TimeLog.hs
+++ b/hledger-lib/Hledger/Data/TimeLog.hs
@@ -14,7 +14,7 @@ import Data.Time.Calendar
 import Data.Time.Clock
 import Data.Time.Format
 import Data.Time.LocalTime
-#if !MIN_VERSION_time(1,5,0)
+#if !(MIN_VERSION_time(1,5,0))
 import System.Locale (defaultTimeLocale)
 #endif
 import Test.HUnit
@@ -112,7 +112,12 @@ tests_Hledger_Data_TimeLog = TestList [
          nowstr = showtime now
          yesterday = prevday today
          clockin = TimeLogEntry nullsourcepos In
-         mktime d = LocalTime d . fromMaybe midnight . parseTime defaultTimeLocale "%H:%M:%S"
+         mktime d = LocalTime d . fromMaybe midnight .
+#if MIN_VERSION_time(1,5,0)
+                    parseTimeM True defaultTimeLocale "%H:%M:%S"
+#else
+                    parseTime defaultTimeLocale "%H:%M:%S"
+#endif
          showtime = formatTime defaultTimeLocale "%H:%M"
          assertEntriesGiveStrings name es ss = assertEqual name ss (map tdescription $ timeLogEntriesToTransactions now es)
 
diff --git a/hledger-lib/Hledger/Read/CsvReader.hs b/hledger-lib/Hledger/Read/CsvReader.hs
index c8723f2d0..71b703270 100644
--- a/hledger-lib/Hledger/Read/CsvReader.hs
+++ b/hledger-lib/Hledger/Read/CsvReader.hs
@@ -32,10 +32,10 @@ import Data.List
 import Data.Maybe
 import Data.Ord
 import Data.Time.Calendar (Day)
-import Data.Time.Format (parseTime)
 #if MIN_VERSION_time(1,5,0)
-import Data.Time.Format (defaultTimeLocale)
+import Data.Time.Format (parseTimeM, defaultTimeLocale)
 #else
+import Data.Time.Format (parseTime)
 import System.Locale (defaultTimeLocale)
 #endif
 import Safe
@@ -720,7 +720,13 @@ renderTemplate rules record t = regexReplaceBy "%[A-z0-9]+" replace t
 parseDateWithFormatOrDefaultFormats :: Maybe DateFormat -> String -> Maybe Day
 parseDateWithFormatOrDefaultFormats mformat s = firstJust $ map parsewith formats
   where
-    parsewith = flip (parseTime defaultTimeLocale) s
+    parsetime =
+#if MIN_VERSION_time(1,5,0)
+     parseTimeM True
+#else
+     parseTime
+#endif
+    parsewith = flip (parsetime defaultTimeLocale) s
     formats = maybe
                ["%Y/%-m/%-d"
                ,"%Y-%-m-%-d"