diff --git a/marvin.cabal b/marvin.cabal
--- a/marvin.cabal
+++ b/marvin.cabal
@@ -1,5 +1,5 @@
 name: marvin
-version: 0.0.8
+version: 0.0.9
 cabal-version: >=1.10
 build-type: Simple
 license: BSD3
@@ -89,7 +89,7 @@
         mustache ==2.1.*,
         directory >=1.2.6.2 && <1.3,
         filepath >=1.4.1.0 && <1.5,
-        marvin >=0.0.8 && <0.1,
+        marvin >=0.0.9 && <0.1,
         configurator >=0.3.0.0 && <0.4,
         optparse-applicative >=0.12.1.0 && <0.13,
         bytestring >=0.10.8.1 && <0.11,
diff --git a/src/Marvin/Internal/Types.hs b/src/Marvin/Internal/Types.hs
--- a/src/Marvin/Internal/Types.hs
+++ b/src/Marvin/Internal/Types.hs
@@ -78,7 +78,10 @@
 
 
 timestampFromNumber :: Value -> Parser TimeStamp
-timestampFromNumber = withScientific "expected number type" $ return . TimeStamp . posixSecondsToUTCTime . realToFrac
+timestampFromNumber (Number n) = return $ TimeStamp $ posixSecondsToUTCTime $ realToFrac n
+timestampFromNumber (String s) = maybe mzero (return . TimeStamp . posixSecondsToUTCTime . realToFrac) (readMaybe (T.unpack s) :: Maybe Double)
+timestampFromNumber _ = mzero
+        
 
 
 -- | A type, basically a String, which identifies a script to the config and the logging facilities.