diff --git a/processor/src/test/java/org/mapstruct/ap/testutil/runner/CompilingExtension.java b/processor/src/test/java/org/mapstruct/ap/testutil/runner/CompilingExtension.java
index 7c47d2a2e..95874e4b3 100644
--- a/processor/src/test/java/org/mapstruct/ap/testutil/runner/CompilingExtension.java
+++ b/processor/src/test/java/org/mapstruct/ap/testutil/runner/CompilingExtension.java
@@ -182,11 +182,15 @@ abstract class CompilingExtension implements BeforeEachCallback {
         assertDiagnostics( actualResult.getDiagnostics(), expectedResult.getDiagnostics() );
         assertNotes( actualResult.getNotes(), expectedResult.getNotes() );
 
-        if ( !findAnnotation( testClass, DisableCheckstyle.class ).isPresent() ) {
+        if ( !findAnnotation( testClass, DisableCheckstyle.class ).isPresent() && !skipCheckstyleBySystemProperty() ) {
             assertCheckstyleRules();
         }
     }
 
+    private static boolean skipCheckstyleBySystemProperty() {
+        return Boolean.parseBoolean( System.getProperty( "checkstyle.skip" ) );
+    }
+
     private void assertCheckstyleRules() throws Exception {
         if ( sourceOutputDir != null ) {
             Properties properties = new Properties();