diff --git a/src/main/java/de/ph87/homeautomation/knx/KnxThreadService.java b/src/main/java/de/ph87/homeautomation/knx/KnxThreadService.java
index b42f432..3bc65ed 100644
--- a/src/main/java/de/ph87/homeautomation/knx/KnxThreadService.java
+++ b/src/main/java/de/ph87/homeautomation/knx/KnxThreadService.java
@@ -64,7 +64,7 @@ public class KnxThreadService extends AbstractThreadService implements NetworkLi
       } else {
         return work();
       }
-    } catch (KNXException | IOException e) {
+    } catch (KNXException | IllegalStateException | IOException e) {
       log.error(e.toString());
       if (link != null) {
         link.close();