diff --git a/x-pack/solutions/observability/plugins/apm/server/routes/errors/get_error_groups/get_error_sample_details.ts b/x-pack/solutions/observability/plugins/apm/server/routes/errors/get_error_groups/get_error_sample_details.ts
index 2ea8605789acc..074a4115d875b 100644
--- a/x-pack/solutions/observability/plugins/apm/server/routes/errors/get_error_groups/get_error_sample_details.ts
+++ b/x-pack/solutions/observability/plugins/apm/server/routes/errors/get_error_groups/get_error_sample_details.ts
@@ -28,6 +28,7 @@ import {
   TRANSACTION_ID,
   ERROR_STACK_TRACE,
   SPAN_ID,
+  SERVICE_LANGUAGE_NAME,
 } from '../../../../common/es_fields/apm';
 import { environmentQuery } from '../../../../common/utils/environment_query';
 import { ApmDocumentType } from '../../../../common/document_type';
@@ -83,6 +84,7 @@ export async function getErrorSampleDetails({
     SPAN_ID,
     AGENT_VERSION,
     PROCESSOR_NAME,
+    SERVICE_LANGUAGE_NAME,
     ERROR_CULPRIT,
     ERROR_STACK_TRACE,
     ERROR_EXC_MESSAGE,
diff --git a/x-pack/test/api_integration/deployment_agnostic/apis/observability/apm/mobile/errors/generate_data.ts b/x-pack/test/api_integration/deployment_agnostic/apis/observability/apm/mobile/errors/generate_data.ts
index 1db1e4388a197..8f31c9d1e3f5a 100644
--- a/x-pack/test/api_integration/deployment_agnostic/apis/observability/apm/mobile/errors/generate_data.ts
+++ b/x-pack/test/api_integration/deployment_agnostic/apis/observability/apm/mobile/errors/generate_data.ts
@@ -33,6 +33,9 @@ export async function generateData({
 }) {
   const serviceGoProdInstance = apm
     .service({ name: serviceName, environment: 'production', agentName: 'swift' })
+    .defaults({
+      'service.language.name': 'swift',
+    })
     .instance('instance-a');
 
   const interval = '1m';
diff --git a/x-pack/test/api_integration/deployment_agnostic/apis/observability/apm/mobile/errors/group_id_samples.spec.ts b/x-pack/test/api_integration/deployment_agnostic/apis/observability/apm/mobile/errors/group_id_samples.spec.ts
index f50f762c5c075..d569b3380a8c5 100644
--- a/x-pack/test/api_integration/deployment_agnostic/apis/observability/apm/mobile/errors/group_id_samples.spec.ts
+++ b/x-pack/test/api_integration/deployment_agnostic/apis/observability/apm/mobile/errors/group_id_samples.spec.ts
@@ -138,6 +138,10 @@ export default function ApiTest({ getService }: DeploymentAgnosticFtrProviderCon
           it('displays correct error culprit info', () => {
             expect(errorSampleDetailsResponse.error.error.culprit).to.equal('Error culprit 1');
           });
+
+          it('displays correct language name', () => {
+            expect(errorSampleDetailsResponse.error.service.language?.name).to.equal('swift');
+          });
         });
       });