diff --git a/src/PostgREST/Query/QueryBuilder.hs b/src/PostgREST/Query/QueryBuilder.hs
index dc96b4fef..96701be25 100644
--- a/src/PostgREST/Query/QueryBuilder.hs
+++ b/src/PostgREST/Query/QueryBuilder.hs
@@ -111,7 +111,7 @@ getJoin fld node@(Node ReadPlan{relJoinType} _) =
         in correlatedSubquery subq aggAlias condition
 
 mutatePlanToQuery :: MutatePlan -> SQL.Snippet
-mutatePlanToQuery (Insert mainQi iCols body onConflct putConditions returnings _ applyDefaults) =
+mutatePlanToQuery (Insert mainQi iCols body onConflict putConditions returnings _ applyDefaults) =
   "INSERT INTO " <> fromQi mainQi <> (if null iCols then " " else "(" <> cols <> ") ") <>
   fromJsonBodyF body iCols True False applyDefaults <>
   -- Only used for PUT
@@ -128,11 +128,11 @@ mutatePlanToQuery (Insert mainQi iCols body onConflct putConditions returnings _
         if null iCols
            then "DO NOTHING"
            else "DO UPDATE SET " <> intercalateSnippet ", " ((pgFmtIdent . cfName) <> const " = EXCLUDED." <> (pgFmtIdent . cfName) <$> iCols) <> (if null putConditions && not mergeDups then mempty else "WHERE " <> addConfigPgrstInserted False)
-    ) onConflct <> " " <>
+    ) onConflict <> " " <>
     returningF mainQi returnings
   where
     cols = intercalateSnippet ", " $ pgFmtIdent . cfName <$> iCols
-    mergeDups = case onConflct of {Just (MergeDuplicates,_) -> True; _ -> False;}
+    mergeDups = case onConflict of {Just (MergeDuplicates,_) -> True; _ -> False;}
 
 -- An update without a limit is always filtered with a WHERE
 mutatePlanToQuery (Update mainQi uCols body logicForest range ordts returnings applyDefaults)