diff --git a/src/Database/Esqueleto/Internal/Sql.hs b/src/Database/Esqueleto/Internal/Sql.hs
index 0b5505e..6403602 100644
--- a/src/Database/Esqueleto/Internal/Sql.hs
+++ b/src/Database/Esqueleto/Internal/Sql.hs
@@ -338,7 +338,7 @@ instance Esqueleto SqlQuery SqlExpr SqlBackend where
   round_   = unsafeSqlFunction "ROUND_"
   ceil_    = unsafeSqlFunction "CEILING"
   floor_   = unsafeSqlFunction "FLOOR"
-  avg_     = unsafeSqlFunction "AGV"
+  avg_     = unsafeSqlFunction "AVG"
   min_     = unsafeSqlFunction "MIN"
   max_     = unsafeSqlFunction "MAX"