diff --git a/src/Yi/Snippet/Internal.hs b/src/Yi/Snippet/Internal.hs
--- a/src/Yi/Snippet/Internal.hs
+++ b/src/Yi/Snippet/Internal.hs
@@ -63,7 +63,7 @@
 instance Binary Var
 instance Binary VarValue
 instance Default VarValue where
-    def = DefaultValue def
+    def = DefaultValue mempty
 
 type Vars = M.Map Var VarValue
 
diff --git a/yi-snippet.cabal b/yi-snippet.cabal
--- a/yi-snippet.cabal
+++ b/yi-snippet.cabal
@@ -3,7 +3,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           yi-snippet
-version:        0.15.0
+version:        0.16.0
 synopsis:       Snippet support for yi
 category:       Yi
 homepage:       https://github.com/yi-editor/yi#readme
@@ -32,7 +32,7 @@
     , mtl >= 2.2
     , text >= 1.2
     , vector >= 0.11
-    , yi-core >= 0.15.0
+    , yi-core >= 0.16.0
   exposed-modules:
       Yi.Snippet
       Yi.Snippet.Internal