diff --git a/src/cpp/jssc_SerialNativeInterface.h b/src/cpp/jssc_SerialNativeInterface.h
index 039872d..4fb61e5 100644
--- a/src/cpp/jssc_SerialNativeInterface.h
+++ b/src/cpp/jssc_SerialNativeInterface.h
@@ -45,6 +45,8 @@ extern "C" {
 #define jssc_SerialNativeInterface_ERR_PORT_NOT_FOUND -2L
 #undef jssc_SerialNativeInterface_ERR_PERMISSION_DENIED
 #define jssc_SerialNativeInterface_ERR_PERMISSION_DENIED -3L
+#undef jssc_SerialNativeInterface_ERR_INCORRECT_SERIAL_PORT
+#define jssc_SerialNativeInterface_ERR_INCORRECT_SERIAL_PORT -4L
 /*
  * Class:     jssc_SerialNativeInterface
  * Method:    openPort
diff --git a/src/java/jssc/SerialNativeInterface.java b/src/java/jssc/SerialNativeInterface.java
index dff4a07..dd09a47 100644
--- a/src/java/jssc/SerialNativeInterface.java
+++ b/src/java/jssc/SerialNativeInterface.java
@@ -58,6 +58,10 @@ public class SerialNativeInterface {
      * @since 2.3.0
      */
     public static final int ERR_PERMISSION_DENIED = -3;
+    /**
+     * @since 2.3.0
+     */
+    public static final int ERR_INCORRECT_SERIAL_PORT = -4;
 
     static {
         String libFolderPath;
diff --git a/src/java/jssc/SerialPortException.java b/src/java/jssc/SerialPortException.java
index 41d7186..281c461 100644
--- a/src/java/jssc/SerialPortException.java
+++ b/src/java/jssc/SerialPortException.java
@@ -56,6 +56,10 @@ public class SerialPortException extends Exception {
      * @since 2.2.0
      */
     final public static String TYPE_PERMISSION_DENIED = "Permission denied";
+    /**
+     * @since 2.3.0
+     */
+    final public static String TYPE_INCORRECT_SERIAL_PORT = "Incorrect serial port";
 
     private String portName;
     private String methodName;