diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..efa5e3a
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,34 @@
+name: Maven CI
+
+on:
+  workflow_dispatch:
+  pull_request:
+      types: [opened, synchronize, reopened]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v5
+
+      - name: Set up Java
+        uses: actions/setup-java@v5
+        with:
+          distribution: 'temurin'
+          java-version: '8'
+
+      - name: Install socat
+        run: sudo apt-get update && sudo apt-get install -y socat
+
+      - name: Create Virtual Serial Ports
+        run: |
+          nohup sudo socat -d -d pty,link=/dev/ttys001,raw,echo=0 pty,link=/dev/ttys002,raw,echo=0 > socat.log 2>&1 &
+          echo $! > socat.pid
+          sleep 3
+          cat socat.log
+          sudo chmod 666 /dev/ttys001 /dev/ttys002
+
+      - name: Maven Test
+        run: mvn test
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 633fa4c..0eb78b3 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -8,10 +8,10 @@ jobs:
 
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up Java
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@v5
         with:
           distribution: 'temurin'
           java-version: '8'
diff --git a/src/main/java/com/ghgande/j2mod/modbus/net/SerialConnection.java b/src/main/java/com/ghgande/j2mod/modbus/net/SerialConnection.java
index e8d8937..ad7e38e 100644
--- a/src/main/java/com/ghgande/j2mod/modbus/net/SerialConnection.java
+++ b/src/main/java/com/ghgande/j2mod/modbus/net/SerialConnection.java
@@ -167,7 +167,7 @@ private void applyConnectionParameters() {
 
         // Set connection parameters, if set fails return parameters object to original state
         if (serialPort != null) {
-            if (disablePortConfiguration) {
+            if (this.disablePortConfiguration) {
                 serialPort.disablePortConfiguration();
             }
             serialPort.setComPortParameters(parameters.getBaudRate(), parameters.getDatabits(), parameters.getStopbits(), parameters.getParity());