diff --git a/buildSrc/build.gradle b/buildSrc/build.gradle
index f1472f53b0..3cc5c7c9e6 100644
--- a/buildSrc/build.gradle
+++ b/buildSrc/build.gradle
@@ -15,6 +15,17 @@ repositories {
 	maven { url 'https://repo.spring.io/plugins-release/' }
 }
 
+sourceSets {
+	main {
+		java {
+			srcDirs = []
+		}
+		groovy {
+			srcDirs += ["src/main/java"]
+		}
+	}
+}
+
 gradlePlugin {
 	plugins {
 		trang {