diff --git a/bundles/org.openhab.binding.powermax/src/main/java/org/openhab/binding/powermax/internal/connector/PowermaxSerialConnector.java b/bundles/org.openhab.binding.powermax/src/main/java/org/openhab/binding/powermax/internal/connector/PowermaxSerialConnector.java
index 892e05f9ef171..9fa671d8c4bc6 100644
--- a/bundles/org.openhab.binding.powermax/src/main/java/org/openhab/binding/powermax/internal/connector/PowermaxSerialConnector.java
+++ b/bundles/org.openhab.binding.powermax/src/main/java/org/openhab/binding/powermax/internal/connector/PowermaxSerialConnector.java
@@ -116,6 +116,7 @@ public void serialEvent(SerialPortEvent serialPortEvent) {
             logger.trace("RXTX library CPU load workaround, sleep forever");
             Thread.sleep(Long.MAX_VALUE);
         } catch (InterruptedException e) {
+            Thread.currentThread().interrupt();
         }
     }
 }