diff --git a/lib/worker/checkForJobs.js b/lib/worker/checkForJobs.js
index 592b448..8fbc219 100644
--- a/lib/worker/checkForJobs.js
+++ b/lib/worker/checkForJobs.js
@@ -106,21 +106,43 @@ function checkForJobs(_a) {
                     output = null;
                     _e.label = 2;
                 case 2:
-                    _e.trys.push([2, 4, , 5]);
+                    _e.trys.push([2, 4, , 6]);
                     return [4 /*yield*/, processingFunction(job)];
                 case 3:
                     output = _e.sent();
                     debug("Job's done", job.id);
-                    return [3 /*break*/, 5];
+                    return [3 /*break*/, 6];
                 case 4:
                     err_1 = _e.sent();
                     debug('Error during the job processing', err_1);
-                    return [3 /*break*/, 5];
+                    return [4 /*yield*/, client.mutate({
+                            mutation: updateJobQuery,
+                            variables: {
+                                job: {
+                                    id: job.id,
+                                    status: 'failed',
+                                    output: "" + JSON.stringify(err_1)
+                                }
+                            }
+                        })];
                 case 5:
-                    debug('Updating job');
-                    _e.label = 6;
+                    _e.sent();
+                    if (looping) {
+                        return [2 /*return*/, checkForJobs({
+                                processingFunction: processingFunction,
+                                uri: uri,
+                                typeList: typeList,
+                                workerId: workerId,
+                                looping: looping,
+                                loopTime: loopTime
+                            })];
+                    }
+                    return [2 /*return*/, err_1];
                 case 6:
-                    _e.trys.push([6, 8, , 9]);
+                    debug('Updating job');
+                    _e.label = 7;
+                case 7:
+                    _e.trys.push([7, 9, , 10]);
                     return [4 /*yield*/, client.mutate({
                             mutation: updateJobQuery,
                             variables: {
@@ -131,7 +153,7 @@ function checkForJobs(_a) {
                                 }
                             }
                         })];
-                case 7:
+                case 8:
                     result = _e.sent();
                     if (looping) {
                         return [2 /*return*/, checkForJobs({
@@ -144,11 +166,11 @@ function checkForJobs(_a) {
                             })];
                     }
                     return [2 /*return*/, result.data.job];
-                case 8:
+                case 9:
                     err_2 = _e.sent();
                     debug('Failed to update the success status of the current job.', err_2);
-                    return [3 /*break*/, 9];
-                case 9: return [2 /*return*/];
+                    return [3 /*break*/, 10];
+                case 10: return [2 /*return*/];
             }
         });
     });
diff --git a/src/worker/checkForJobs.ts b/src/worker/checkForJobs.ts
index 80751b8..0038134 100644
--- a/src/worker/checkForJobs.ts
+++ b/src/worker/checkForJobs.ts
@@ -106,7 +106,28 @@ export default async function checkForJobs({
     debug("Job's done", job.id)
   } catch (err) {
     debug('Error during the job processing', err)
-    // @todo update job status.
+    await client.mutate({
+      mutation: updateJobQuery,
+      variables: {
+        job: {
+          id: job.id,
+          status: 'failed',
+          output: `${JSON.stringify(err)}`
+        }
+      }
+    })
+
+    if (looping) {
+      return checkForJobs({
+        processingFunction,
+        uri,
+        typeList,
+        workerId,
+        looping,
+        loopTime
+      })
+    }
+    return err
   }
 
   debug('Updating job')
diff --git a/tests/__snapshots__/job.spec.js.snap b/tests/__snapshots__/job.spec.js.snap
index e9d636d..f63f222 100644
--- a/tests/__snapshots__/job.spec.js.snap
+++ b/tests/__snapshots__/job.spec.js.snap
@@ -88,3 +88,5 @@ Object {
   "type": "b",
 }
 `;
+
+exports[`Test the job endpoint checkForJobs declare jobs as failed when an error is raised. 1`] = `[TypeError: a.awd is not a function]`;
diff --git a/tests/job.spec.js b/tests/job.spec.js
index fe47f4a..3f1fd85 100644
--- a/tests/job.spec.js
+++ b/tests/job.spec.js
@@ -176,6 +176,27 @@ describe('Test the job endpoint', () => {
     expect(jobEntity.endedAt).not.toBe(null)
   })
 
+  it('checkForJobs declare jobs as failed when an error is raised.', async () => {
+    const job = await checkForJobs({
+      typeList: ['a'],
+      uri,
+      processingFunction: async () => {
+        const a = {}
+        a.awd()
+        return a
+      },
+      looping: false
+    })
+    expect(job).not.toBeUndefined()
+    expect(job).not.toBe(null)
+    expect(job).toMatchSnapshot()
+
+    const jobEntity = await models.job.findOne({ where: { id: 1 } })
+    expect(jobEntity.startedAt).not.toBe(null)
+    expect(jobEntity.endedAt).not.toBe(null)
+    expect(jobEntity.status).toBe('failed')
+  })
+
   it('One can create a job of a given type.', async () => {
     const response = await request(server)
       .post('/graphql')