diff --git a/lapis/db/model/relations.lua b/lapis/db/model/relations.lua
index a183a977..7060a128 100644
--- a/lapis/db/model/relations.lua
+++ b/lapis/db/model/relations.lua
@@ -509,7 +509,11 @@ has_many = function(self, name, opts)
           table.insert(additional_clause, where)
         else
           for k, v in pairs(where) do
-            additional_clause[k] = v
+            if type(k) == "number" then
+              table.insert(additional_clause, v)
+            else
+              additional_clause[k] = v
+            end
           end
         end
       end
@@ -526,7 +530,11 @@ has_many = function(self, name, opts)
           table.insert(additional_clause, more_where)
         else
           for k, v in pairs(more_where) do
-            additional_clause[k] = v
+            if type(k) == "number" then
+              table.insert(additional_clause, v)
+            else
+              additional_clause[k] = v
+            end
           end
         end
       end
diff --git a/lapis/db/model/relations.moon b/lapis/db/model/relations.moon
index 89840eb8..34acd37b 100644
--- a/lapis/db/model/relations.moon
+++ b/lapis/db/model/relations.moon
@@ -400,7 +400,10 @@ has_many = (name, opts) =>
         table.insert additional_clause, where
       else
         for k,v in pairs where
-          additional_clause[k] = v
+          if type(k) == "number" -- append array clauses
+            table.insert additional_clause, v
+          else
+            additional_clause[k] = v
 
     if more_where = calling_opts and calling_opts.where
       additional_clause = { @@db.clause clause } unless additional_clause
@@ -409,7 +412,10 @@ has_many = (name, opts) =>
         table.insert additional_clause, more_where
       else
         for k,v in pairs more_where
-          additional_clause[k] = v
+          if type(k) == "number" -- append array clauses
+            table.insert additional_clause, v
+          else
+            additional_clause[k] = v
 
     if additional_clause and next additional_clause
       clause = @@db.clause additional_clause
diff --git a/spec/relations_spec.moon b/spec/relations_spec.moon
index d56b3e12..6fcd6154 100644
--- a/spec/relations_spec.moon
+++ b/spec/relations_spec.moon
@@ -536,18 +536,27 @@ describe "lapis.db.model.relations", ->
 
   it "make has_many getter", ->
     models.Posts = class extends Model
+    models.Things = class extends Model
+
     models.Users = class extends Model
       @relations: {
         {"posts", has_many: "Posts"}
         {"more_posts", has_many: "Posts", where: {color: "blue"}}
         {"fresh_posts", has_many: "Posts", order: "id desc"}
-      }
 
+        {"with_key", has_many: "Things", key: "object_id", order: "id desc"}
+
+        {"with_key_where", has_many: "Things", key: "object_id", where: {
+          {"object_type = ?", 1}
+        }, order: "id desc"}
+      }
 
     assert_queries {
       [[SELECT * FROM "posts" WHERE "user_id" = 1234]]
       [[SELECT * FROM "posts" WHERE "user_id" = 1234 AND "color" = 'blue']]
       [[SELECT * FROM "posts" WHERE "user_id" = 1234 ORDER BY id desc]]
+      [[SELECT * FROM "things" WHERE "object_id" = 1234 ORDER BY id desc]]
+      [[SELECT * FROM "things" WHERE "object_id" = 1234 AND (object_type = 1) ORDER BY id desc]]
     }, ->
       user = models.Users\load id: 1234
 
@@ -557,6 +566,9 @@ describe "lapis.db.model.relations", ->
       user\get_more_posts!
       user\get_fresh_posts!
 
+      user\get_with_key!
+      user\get_with_key_where!
+
   it "makes has many with db.clause", ->
     models.Posts = class extends Model
     models.Users = class extends Model