diff --git a/build.gradle b/build.gradle
index f71ba9c22b3c15ebb02425c29e074188136797a2..fab50dd2fac789300413b13ce48a27a0f0d137c2 100644
--- a/build.gradle
+++ b/build.gradle
@@ -80,6 +80,13 @@ jacocoTestReport {
     xml.enabled true
     html.enabled true
   }
+  afterEvaluate {
+    classDirectories = files(classDirectories.files.collect {
+      fileTree(
+        dir: it,
+        exclude: ['**/etc/**'])
+      })
+  }
 }
 check.dependsOn jacocoTestReport