diff --git a/cypress/e2e/NewLexemeForm.cy.js b/cypress/e2e/NewLexemeForm.cy.js
index 484b9330..aa456fb6 100644
--- a/cypress/e2e/NewLexemeForm.cy.js
+++ b/cypress/e2e/NewLexemeForm.cy.js
@@ -40,10 +40,10 @@ describe( 'NewLexemeForm', () => {
 
 		cy.intercept( { query: { action: 'wbgetclaims' } }, {
 			claims: {
-				P218: [ {
+				P305: [ {
 					mainsnak: {
 						snaktype: 'value',
-						property: 'P218',
+						property: 'P305',
 						hash: 'faa942355921695b9fa30805f0bb66bc7ed5a433',
 						datavalue: {
 							value: 'en-gb',
diff --git a/src/data-access/DevLangCodeRetriever.ts b/src/data-access/DevLangCodeRetriever.ts
index 6c68e2e8..ad1cf0a1 100644
--- a/src/data-access/DevLangCodeRetriever.ts
+++ b/src/data-access/DevLangCodeRetriever.ts
@@ -6,12 +6,12 @@ export default class DevLangCodeRetriever implements LangCodeRetriever {
 		const response = await fetch( 'https://www.wikidata.org/w/api.php?' + new URLSearchParams( {
 			action: 'wbgetclaims',
 			entity: itemId,
-			property: 'P218',
+			property: 'P305',
 			props: '',
 			format: 'json',
 			origin: '*',
 		} ) ).then( ( r ) => r.json() ) as WbGetClaimsResponse;
 
-		return processWbGetClaimsResponse( response, 'P218' );
+		return processWbGetClaimsResponse( response, 'P305' );
 	}
 }