diff --git a/src/SQLite3/Internal.purs b/src/SQLite3/Internal.purs
index a227fc0..87cde60 100644
--- a/src/SQLite3/Internal.purs
+++ b/src/SQLite3/Internal.purs
@@ -17,7 +17,7 @@ import Foreign (Foreign)
 
 type FilePath = String
 type Query = String
-type Param = String
+type Param = Foreign
 
 foreign import data DBConnection :: Type