diff --git a/src/main/kotlin/de/fraunhofer/iem/app/monitoring/controller/ToolApiStatusHealthIndicator.kt b/src/main/kotlin/de/fraunhofer/iem/app/monitoring/controller/ToolApiStatusHealthIndicator.kt
index 444426f18bc834554b5e1120456f692bb6e322ab..bf1e23e9f8c4ed326c367f9ec698bc326fc41bc4 100644
--- a/src/main/kotlin/de/fraunhofer/iem/app/monitoring/controller/ToolApiStatusHealthIndicator.kt
+++ b/src/main/kotlin/de/fraunhofer/iem/app/monitoring/controller/ToolApiStatusHealthIndicator.kt
@@ -48,7 +48,7 @@ class ToolApiStatusHealthIndicator(val ortService: OrtService) : ReactiveHealthI
                     ortService.queryOrtApi(-1)
                     builder.up()
                 } catch (apiException: ApiException) {
-                    if (apiException.statusCode == 404) {
+                    if (apiException.statusCode in 400..499) {
                         builder.up()
                     } else {
                         builder.down(apiException)