diff --git a/bundles/binding/org.openhab.binding.epsonprojector/src/main/java/org/openhab/binding/epsonprojector/connector/EpsonProjectorSerialConnector.java b/bundles/binding/org.openhab.binding.epsonprojector/src/main/java/org/openhab/binding/epsonprojector/connector/EpsonProjectorSerialConnector.java
index 8f34a9e4436..a47e0f1adf6 100644
--- a/bundles/binding/org.openhab.binding.epsonprojector/src/main/java/org/openhab/binding/epsonprojector/connector/EpsonProjectorSerialConnector.java
+++ b/bundles/binding/org.openhab.binding.epsonprojector/src/main/java/org/openhab/binding/epsonprojector/connector/EpsonProjectorSerialConnector.java
@@ -86,22 +86,20 @@ public void disconnect() throws EpsonProjectorException {
         if (out != null) {
             logger.debug("Close serial out stream");
             IOUtils.closeQuietly(out);
+            out = null;
         }
         if (in != null) {
             logger.debug("Close serial in stream");
             IOUtils.closeQuietly(in);
+            in = null;
         }
         if (serialPort != null) {
             logger.debug("Close serial port");
             serialPort.close();
+            serialPort.removeEventListener();
+            serialPort = null;
         }
 
-        serialPort.removeEventListener();
-
-        serialPort = null;
-        out = null;
-        in = null;
-
         logger.debug("Closed");
     }