diff --git a/changelog b/changelog
--- a/changelog
+++ b/changelog
@@ -1,7 +1,11 @@
 
+= lensref-0.1.0.4 =
+
+bugfix
+
 = lensref-0.1.0.3 =
 
-Relax depencencies
+Relax dependencies
 
 = lensref-0.1.0.2 =
 
diff --git a/lensref.cabal b/lensref.cabal
--- a/lensref.cabal
+++ b/lensref.cabal
@@ -1,5 +1,5 @@
 name:               lensref
-version:            0.1.0.3
+version:            0.1.0.4
 category:           Control, Data
 synopsis:           References which can be joined and on which lenses can be applied
 description:
diff --git a/src/Data/LensRef/Pure.hs b/src/Data/LensRef/Pure.hs
--- a/src/Data/LensRef/Pure.hs
+++ b/src/Data/LensRef/Pure.hs
@@ -139,7 +139,7 @@
 
 instance Monad m => MonadRefReader (Register m) where
 
-    type BaseRef (Register n) = Lens_ LSt
+    type BaseRef (Register m) = Lens_ LSt
 
     liftRefReader = Register . lift . liftRefReader