diff --git a/F4SDM42WebApi/F4SDM42WebApiController.cs b/F4SDM42WebApi/F4SDM42WebApiController.cs
index 369ae7c..9be0b78 100644
--- a/F4SDM42WebApi/F4SDM42WebApiController.cs
+++ b/F4SDM42WebApi/F4SDM42WebApiController.cs
@@ -466,8 +466,9 @@ namespace C4IT.F4SD
         }
 
         [Route("isAlive"), HttpGet]
-        public void isAlive()
+        public bool isAlive()
         {
+            return true;
         }
 
         [Route("loglevel"), HttpGet]