diff --git a/web/src/components/listInfoDrawer/ListInfoDrawer.tsx b/web/src/components/listInfoDrawer/ListInfoDrawer.tsx
index 58bf43443..c0584e3eb 100644
--- a/web/src/components/listInfoDrawer/ListInfoDrawer.tsx
+++ b/web/src/components/listInfoDrawer/ListInfoDrawer.tsx
@@ -46,7 +46,7 @@ export const ListInfoDrawer = (props: RouteComponentProps & Props) => {
   const list = useListDetails(props.listId);
 
   const listLanguage = props.languages.filter((l) =>
-    list?.iso6391s.includes(l.iso6391)
+    list?.languageIds.includes(l.id)
   );
   const listTags = props.tags.filter((t) => list?.tagIds.includes(t.id));
   const listLicense = props.licenses.find((l) => l.id === list?.licenseId);
diff --git a/web/src/components/listsTable/ListsTable.tsx b/web/src/components/listsTable/ListsTable.tsx
index 611148821..8d2d3ad06 100644
--- a/web/src/components/listsTable/ListsTable.tsx
+++ b/web/src/components/listsTable/ListsTable.tsx
@@ -22,7 +22,7 @@ import { Software } from "../../interfaces/Software";
 import { Syntax } from "../../interfaces/Syntax";
 import { TagCloud } from "../tagCloud";
 import { Tag as TagInterface } from "../../interfaces/Tag";
-import { arraySorter, languageArraySorter } from "./arraySorter";
+import { arraySorter } from "./arraySorter";
 import { nameof } from "../../utils";
 import { TablePaginationConfig } from "antd/lib/table";
 import { SyntaxTag } from "../SyntaxTag";
@@ -225,9 +225,9 @@ export const ListsTable = (props: RouteComponentProps & Props) => {
         <Table.Column<List>
           title="Languages"
           key="Languages"
-          dataIndex={nameof<List>("iso6391s")}
+          dataIndex={nameof<List>("languageIds")}
           sorter={(a, b) =>
-            languageArraySorter(a.iso6391s, b.iso6391s, languages)
+            arraySorter(a.languageIds, b.languageIds, languages)
           }
           width={129}
           filters={languages.map((l) => ({
@@ -237,22 +237,24 @@ export const ListsTable = (props: RouteComponentProps & Props) => {
                 {l.name}&nbsp; (
                 {
                   visibleLists.filter(
-                    (li) => li.iso6391s && li.iso6391s.includes(l.iso6391)
+                    (li) => li.languageIds && li.languageIds.includes(l.id)
                   ).length
                 }
                 )
               </>
             ),
-            value: l.iso6391.toString(),
+            value: l.id,
           }))}
           onFilter={(value, record) =>
-            record.iso6391s ? record.iso6391s.includes(value as string) : false
+            record.languageIds
+              ? record.languageIds.includes(value as number)
+              : false
           }
-          render={(languageIds: string[]) =>
+          render={(languageIds: number[]) =>
             languageIds ? (
               <LanguageCloud
                 languages={languages.filter((l: Language) =>
-                  languageIds.includes(l.iso6391)
+                  languageIds.includes(l.id)
                 )}
               />
             ) : null
diff --git a/web/src/components/listsTable/arraySorter.ts b/web/src/components/listsTable/arraySorter.ts
index e09246b94..17a5a8a62 100644
--- a/web/src/components/listsTable/arraySorter.ts
+++ b/web/src/components/listsTable/arraySorter.ts
@@ -1,5 +1,3 @@
-import { Language } from "../../interfaces/Language";
-
 interface ArraySortableEntity {
   id: number;
   name: string;
@@ -30,29 +28,3 @@ export const arraySorter = (
         : 1
       : -1
     : 1;
-
-export const languageArraySorter = (
-  a: string[],
-  b: string[],
-  entities: Language[]
-) =>
-  a && a.length
-    ? b && b.length
-      ? a.length === b.length
-        ? entities
-            .filter((e: Language) => a.includes(e.iso6391))
-            .map((e: Language) => e.name)
-            .join()
-            .toLowerCase() >
-          entities
-            .filter((e: Language) => b.includes(e.iso6391))
-            .map((e: Language) => e.name)
-            .join()
-            .toLowerCase()
-          ? 1
-          : -1
-        : a.length > b.length
-        ? -1
-        : 1
-      : -1
-    : 1;
diff --git a/web/src/interfaces/Language.ts b/web/src/interfaces/Language.ts
index f08db784b..1f02265f2 100644
--- a/web/src/interfaces/Language.ts
+++ b/web/src/interfaces/Language.ts
@@ -1,4 +1,5 @@
 export interface Language {
+  id: number;
   iso6391: string;
   name: string;
   filterListIds: number[];
diff --git a/web/src/interfaces/List.ts b/web/src/interfaces/List.ts
index 51e4e024e..61c6d9f16 100644
--- a/web/src/interfaces/List.ts
+++ b/web/src/interfaces/List.ts
@@ -4,7 +4,7 @@
   description?: string;
   licenseId?: number;
   syntaxIds: number[];
-  iso6391s: string[];
+  languageIds: number[];
   tagIds: number[];
   maintainerIds: number[];
 
diff --git a/web/src/interfaces/ListDetails.ts b/web/src/interfaces/ListDetails.ts
index 46b631e3a..13ccf6317 100644
--- a/web/src/interfaces/ListDetails.ts
+++ b/web/src/interfaces/ListDetails.ts
@@ -4,7 +4,7 @@
   description?: string;
   licenseId?: number;
   syntaxIds: number[];
-  iso6391s: string[];
+  languageIds: number[];
   tagIds: number[];
   viewUrls: ViewUrl[];
   homeUrl?: string;