diff --git a/src/Database/Esqueleto/Internal/Sql.hs b/src/Database/Esqueleto/Internal/Sql.hs
index 3b8f3c1..bf49f5f 100644
--- a/src/Database/Esqueleto/Internal/Sql.hs
+++ b/src/Database/Esqueleto/Internal/Sql.hs
@@ -83,6 +83,8 @@ data EsqueletoError =
   | SqlBinOpCompositeErr SqlBinOpCompositeError
   deriving (Show)
 
+instance Exception EsqueletoError
+
 data CompositeKeyError =
     NotError
   | ToInsertionError
@@ -112,8 +114,6 @@ data SqlBinOpCompositeError =
   | DeconstructionError
   deriving (Show)
 
-instance Exception EsqueletoError
-
 
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