diff --git a/src/Data/Binary/Get.hs b/src/Data/Binary/Get.hs
index 62207594..f62dc618 100644
--- a/src/Data/Binary/Get.hs
+++ b/src/Data/Binary/Get.hs
@@ -145,6 +145,7 @@ module Data.Binary.Get (
     -- $incrementalinterface
     , Decoder(..)
     , runGetIncremental
+    , runGetIncremental'
 
     -- ** Providing input
     , pushChunk
@@ -228,7 +229,7 @@ import qualified Data.ByteString.Unsafe as B
 import qualified Data.ByteString.Lazy as L
 import qualified Data.ByteString.Lazy.Internal as L
 
-import Data.Binary.Get.Internal hiding ( Decoder(..), runGetIncremental )
+import Data.Binary.Get.Internal hiding ( Decoder(..), runGetIncremental, runGetIncremental')
 import qualified Data.Binary.Get.Internal as I
 
 #if defined(__GLASGOW_HASKELL__) && !defined(__HADDOCK__)
@@ -284,6 +285,11 @@ data Decoder a = Fail !B.ByteString {-# UNPACK #-} !ByteOffset String
 runGetIncremental :: Get a -> Decoder a
 runGetIncremental = calculateOffset . I.runGetIncremental
 
+-- | Similar to 'runGetIncremental', but accept an initial chunk, it's faster
+-- than feeding initial chunk after 'runGetIncremental'.
+runGetIncremental' :: Get a -> B.ByteString -> Decoder a
+runGetIncremental' g = calculateOffset . I.runGetIncremental' g
+
 calculateOffset :: I.Decoder a -> Decoder a
 calculateOffset r0 = go r0 0
   where
diff --git a/src/Data/Binary/Get/Internal.hs b/src/Data/Binary/Get/Internal.hs
index c2ebcffa..4391fe9a 100644
--- a/src/Data/Binary/Get/Internal.hs
+++ b/src/Data/Binary/Get/Internal.hs
@@ -11,6 +11,7 @@ module Data.Binary.Get.Internal (
     , runCont
     , Decoder(..)
     , runGetIncremental
+    , runGetIncremental'
 
     , readN
     , readNWith
@@ -145,8 +146,12 @@ instance (Show a) => Show (Decoder a) where
 -- | Run a 'Get' monad. See 'Decoder' for what to do next, like providing
 -- input, handling decoding errors and to get the output value.
 runGetIncremental :: Get a -> Decoder a
-runGetIncremental g = noMeansNo $
-  runCont g B.empty (\i a -> Done i a)
+runGetIncremental g = noMeansNo $ runCont g B.empty Done
+
+-- | Similar to 'runGetIncremental', but accept an initial chunk, it's faster
+-- than feeding initial chunk after 'runGetIncremental'.
+runGetIncremental' :: Get a -> B.ByteString -> Decoder a
+runGetIncremental' g bs = noMeansNo $ runCont g bs Done
 
 -- | Make sure we don't have to pass Nothing to a Partial twice.
 -- This way we don't need to pass around an EOF value in the Get monad, it