diff --git a/src/integrationTest/kotlin/dev/dnpm/etl/processor/EtlProcessorApplicationTests.kt b/src/integrationTest/kotlin/dev/dnpm/etl/processor/EtlProcessorApplicationTests.kt
index 13252ac..67d2d05 100644
--- a/src/integrationTest/kotlin/dev/dnpm/etl/processor/EtlProcessorApplicationTests.kt
+++ b/src/integrationTest/kotlin/dev/dnpm/etl/processor/EtlProcessorApplicationTests.kt
@@ -48,7 +48,8 @@ import org.testcontainers.junit.jupiter.Testcontainers
 @MockBean(MtbFileSender::class)
 @TestPropertySource(
     properties = [
-        "app.rest.uri=http://example.com"
+        "app.rest.uri=http://example.com",
+        "app.pseudonymize.generator=buildin"
     ]
 )
 class EtlProcessorApplicationTests : AbstractTestcontainerTest() {
@@ -64,6 +65,7 @@ class EtlProcessorApplicationTests : AbstractTestcontainerTest() {
     @AutoConfigureMockMvc
     @TestPropertySource(
         properties = [
+            "app.pseudonymize.generator=buildin",
             "app.transformations[0].path=diagnoses[*].icd10.version",
             "app.transformations[0].from=2013",
             "app.transformations[0].to=2014",
diff --git a/src/integrationTest/kotlin/dev/dnpm/etl/processor/services/RequestServiceIntegrationTest.kt b/src/integrationTest/kotlin/dev/dnpm/etl/processor/services/RequestServiceIntegrationTest.kt
index 715915b..88a3a08 100644
--- a/src/integrationTest/kotlin/dev/dnpm/etl/processor/services/RequestServiceIntegrationTest.kt
+++ b/src/integrationTest/kotlin/dev/dnpm/etl/processor/services/RequestServiceIntegrationTest.kt
@@ -46,6 +46,7 @@ import java.util.*
 @MockBean(MtbFileSender::class)
 @TestPropertySource(
     properties = [
+        "app.pseudonymize.generator=buildin",
         "app.rest.uri=http://example.com"
     ]
 )
diff --git a/src/main/kotlin/dev/dnpm/etl/processor/config/AppConfiguration.kt b/src/main/kotlin/dev/dnpm/etl/processor/config/AppConfiguration.kt
index d8604be..8d71b62 100644
--- a/src/main/kotlin/dev/dnpm/etl/processor/config/AppConfiguration.kt
+++ b/src/main/kotlin/dev/dnpm/etl/processor/config/AppConfiguration.kt
@@ -61,7 +61,7 @@ class AppConfiguration {
         return GpasPseudonymGenerator(configProperties)
     }
 
-    @ConditionalOnProperty(value = ["app.pseudonymize.generator"], havingValue = "BUILDIN")
+    @ConditionalOnProperty(value = ["app.pseudonymize.generator"], havingValue = "BUILDIN", matchIfMissing = true)
     @Bean
     fun buildinPseudonymGenerator(): Generator {
         return AnonymizingGenerator()