diff --git a/lib/structures/dict.types.js b/lib/structures/dict.types.js
index 5aec705..6e3302c 100644
--- a/lib/structures/dict.types.js
+++ b/lib/structures/dict.types.js
@@ -13,7 +13,7 @@ const mkType = makeTypeParser({
 });
 
 export const ModuleDict = [
-  ["emptyDict", newDynamic(emptyDict)(mkType("(a -> a -> Int) -> (a => b)                "))],
+  ["emptyDict", newDynamic(emptyDict)(mkType("(a -> a -> Ordering) -> (a => b)                "))],
   ["has"      , newDynamic(has      )(mkType("(a => b) -> a -> Bool                      "))],
   ["set"      , newDynamic(set      )(mkType("(a => b) -> a -> b -> (a => b)             "))],
   ["remove"   , newDynamic(remove   )(mkType("(a => b) -> a -> (a => b)                  "))],
diff --git a/lib/structures/set.types.js b/lib/structures/set.types.js
index 00c3483..95edc28 100644
--- a/lib/structures/set.types.js
+++ b/lib/structures/set.types.js
@@ -13,7 +13,7 @@ const mkType = makeTypeParser({
 });
 
 export const ModuleSet = [
-  ["emptySet", newDynamic(emptySet)(mkType("(a -> a -> Int) -> {a}"        ))],
+  ["emptySet", newDynamic(emptySet)(mkType("(a -> a -> Ordering) -> {a}"        ))],
   ["has"     , newDynamic(has     )(mkType("{a} -> a -> Bool"              ))],
   ["add"     , newDynamic(add     )(mkType("{a} -> a -> {a}"               ))],
   ["remove"  , newDynamic(remove  )(mkType("{a} -> a -> {a}"               ))],