diff --git a/.github/workflows/pr-drools.yml b/.github/workflows/pr-drools.yml
index e3a83323729..5396185b803 100644
--- a/.github/workflows/pr-drools.yml
+++ b/.github/workflows/pr-drools.yml
@@ -41,11 +41,6 @@ jobs:
           maven-version: ${{ matrix.maven-version }}
           cache-key-prefix: ${{ runner.os }}-${{ matrix.java-version }}-maven${{ matrix.maven-version }}
           allow-snapshots: true
-      - name: Set environment variable
-        run: |
-          [System.Text.Encoding]::Default
-          [Environment]::SetEnvironmentVariable("JAVA_TOOL_OPTIONS", "-Dfile.encoding=UTF8")
-        shell: powershell
       - name: Build with Maven
         run: |
           chcp 65001
diff --git a/drools-decisiontables/pom.xml b/drools-decisiontables/pom.xml
index 8e619b0b2da..73cd24eee5c 100644
--- a/drools-decisiontables/pom.xml
+++ b/drools-decisiontables/pom.xml
@@ -37,6 +37,7 @@
 
   <properties>
     <java.module.name>org.drools.decisiontables</java.module.name>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
   </properties>
 
   <dependencies>