diff --git a/komga/src/main/resources/application.yml b/komga/src/main/resources/application.yml
index b60a59413..b5861ab92 100644
--- a/komga/src/main/resources/application.yml
+++ b/komga/src/main/resources/application.yml
@@ -43,6 +43,9 @@ spring:
   web:
     resources:
       add-mappings: false
+  jackson:
+    deserialization:
+      FAIL_ON_NULL_FOR_PRIMITIVES: true
 
 server:
   servlet.session.timeout: 7d
diff --git a/komga/src/test/kotlin/org/gotson/komga/infrastructure/metadata/mylar/dto/SeriesTest.kt b/komga/src/test/kotlin/org/gotson/komga/infrastructure/metadata/mylar/dto/SeriesTest.kt
index 5e1e27a4d..01fcd4500 100644
--- a/komga/src/test/kotlin/org/gotson/komga/infrastructure/metadata/mylar/dto/SeriesTest.kt
+++ b/komga/src/test/kotlin/org/gotson/komga/infrastructure/metadata/mylar/dto/SeriesTest.kt
@@ -1,15 +1,23 @@
 package org.gotson.komga.infrastructure.metadata.mylar.dto
 
 import com.fasterxml.jackson.databind.ObjectMapper
+import com.fasterxml.jackson.databind.exc.MismatchedInputException
+import com.fasterxml.jackson.module.kotlin.MissingKotlinParameterException
 import com.fasterxml.jackson.module.kotlin.readValue
-import com.fasterxml.jackson.module.kotlin.registerKotlinModule
 import org.assertj.core.api.Assertions.assertThat
+import org.assertj.core.api.Assertions.catchThrowable
 import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.extension.ExtendWith
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.boot.test.context.SpringBootTest
 import org.springframework.core.io.ClassPathResource
+import org.springframework.test.context.junit.jupiter.SpringExtension
 
-class SeriesTest {
-
-  private val mapper = ObjectMapper().registerKotlinModule()
+@ExtendWith(SpringExtension::class)
+@SpringBootTest
+class SeriesTest(
+  @Autowired private val mapper: ObjectMapper,
+) {
 
   @Test
   fun `given valid json file when deserializing then properties are available`() {
@@ -60,4 +68,28 @@ class SeriesTest {
       assertThat(status).isEqualTo(Status.Ended)
     }
   }
+
+  @Test
+  fun `given invalid json file missing year when deserializing then it fails`() {
+    val file = ClassPathResource("mylar/series-missing-year.json")
+    val thrown = catchThrowable { mapper.readValue<Series>(file.url) }
+
+    assertThat(thrown).isInstanceOf(MismatchedInputException::class.java)
+  }
+
+  @Test
+  fun `given invalid json file missing publisher when deserializing then it fails`() {
+    val file = ClassPathResource("mylar/series-missing-publisher.json")
+    val thrown = catchThrowable { mapper.readValue<Series>(file.url) }
+
+    assertThat(thrown).isInstanceOf(MissingKotlinParameterException::class.java)
+  }
+
+  @Test
+  fun `given invalid json file missing status when deserializing then it fails`() {
+    val file = ClassPathResource("mylar/series-missing-status.json")
+    val thrown = catchThrowable { mapper.readValue<Series>(file.url) }
+
+    assertThat(thrown).isInstanceOf(MissingKotlinParameterException::class.java)
+  }
 }
diff --git a/komga/src/test/resources/mylar/series-missing-publisher.json b/komga/src/test/resources/mylar/series-missing-publisher.json
new file mode 100755
index 000000000..2c951ecfa
--- /dev/null
+++ b/komga/src/test/resources/mylar/series-missing-publisher.json
@@ -0,0 +1,20 @@
+{
+  "version": "1.0.1",
+  "metadata": {
+    "type": "comicSeries",
+    "imprint": null,
+    "name": "Usagi Yojimbo",
+    "cid": 119731,
+    "year": 2019,
+    "description_text": null,
+    "description_formatted": null,
+    "volume": 4,
+    "booktype": "Print",
+    "age_rating": null,
+    "collects": null,
+    "ComicImage": "https://comicvine1.cbsistatic.com/uploads/scale_large/6/67663/6974029-01a.jpg",
+    "total_issues": 20,
+    "publication_run": "June 2019 - Present",
+    "status": "Ended"
+  }
+}
diff --git a/komga/src/test/resources/mylar/series-missing-status.json b/komga/src/test/resources/mylar/series-missing-status.json
new file mode 100755
index 000000000..a1559fa13
--- /dev/null
+++ b/komga/src/test/resources/mylar/series-missing-status.json
@@ -0,0 +1,20 @@
+{
+  "version": "1.0.1",
+  "metadata": {
+    "type": "comicSeries",
+    "publisher": "IDW Publishing",
+    "imprint": null,
+    "name": "Usagi Yojimbo",
+    "cid": 119731,
+    "year": 2019,
+    "description_text": null,
+    "description_formatted": null,
+    "volume": 4,
+    "booktype": "Print",
+    "age_rating": null,
+    "collects": null,
+    "ComicImage": "https://comicvine1.cbsistatic.com/uploads/scale_large/6/67663/6974029-01a.jpg",
+    "total_issues": 20,
+    "publication_run": "June 2019 - Present"
+  }
+}
diff --git a/komga/src/test/resources/mylar/series-missing-year.json b/komga/src/test/resources/mylar/series-missing-year.json
new file mode 100755
index 000000000..3484f04f8
--- /dev/null
+++ b/komga/src/test/resources/mylar/series-missing-year.json
@@ -0,0 +1,20 @@
+{
+  "version": "1.0.1",
+  "metadata": {
+    "type": "comicSeries",
+    "publisher": "IDW Publishing",
+    "imprint": null,
+    "name": "Usagi Yojimbo",
+    "cid": 119731,
+    "description_text": null,
+    "description_formatted": null,
+    "volume": 4,
+    "booktype": "Print",
+    "age_rating": null,
+    "collects": null,
+    "ComicImage": "https://comicvine1.cbsistatic.com/uploads/scale_large/6/67663/6974029-01a.jpg",
+    "total_issues": 20,
+    "publication_run": "June 2019 - Present",
+    "status": "Ended"
+  }
+}