diff --git a/src/main/java/io/github/genomicdatainfrastructure/daam/mappers/ApplicationNotInCorrectStateExceptionMapper.java b/src/main/java/io/github/genomicdatainfrastructure/daam/mappers/ApplicationNotInCorrectStateExceptionMapper.java
index 460aa4a..b70c985 100644
--- a/src/main/java/io/github/genomicdatainfrastructure/daam/mappers/ApplicationNotInCorrectStateExceptionMapper.java
+++ b/src/main/java/io/github/genomicdatainfrastructure/daam/mappers/ApplicationNotInCorrectStateExceptionMapper.java
@@ -12,6 +12,6 @@
 public class ApplicationNotInCorrectStateExceptionMapper implements ExceptionMapper<ApplicationNotInCorrectStateException> {
     @Override
     public Response toResponse(ApplicationNotInCorrectStateException exception) {
-        return Response.status(Response.Status.BAD_REQUEST).entity(exception.getMessage()).build();
+        return Response.status(Response.Status.PRECONDITION_REQUIRED).entity(exception.getMessage()).build();
     }
 }
diff --git a/src/test/java/io/github/genomicdatainfrastructure/daam/api/ApplicationCommandApiImplTest.java b/src/test/java/io/github/genomicdatainfrastructure/daam/api/ApplicationCommandApiImplTest.java
index d0f678e..aa5b090 100644
--- a/src/test/java/io/github/genomicdatainfrastructure/daam/api/ApplicationCommandApiImplTest.java
+++ b/src/test/java/io/github/genomicdatainfrastructure/daam/api/ApplicationCommandApiImplTest.java
@@ -81,7 +81,7 @@ void submitApplication_when_application_not_in_submittable_state() {
         .when()
         .post("/api/v1/applications/2/submit")
         .then()
-        .statusCode(400);
+        .statusCode(428);
   }