diff --git a/build.third_step6-jdk11.gradle b/build.third_step6-jdk11.gradle
index 16d85ce56..75cf25cfa 100644
--- a/build.third_step6-jdk11.gradle
+++ b/build.third_step6-jdk11.gradle
@@ -24,7 +24,7 @@ sourceSets{
 	main{
 		java{
 			srcDirs=[
-				"${srcDir}/fine-druid/src"
+				"${srcDir}/fine-druid/src",
 				"${srcDir}/fine-socketio/src"
 				]
 		}
diff --git a/build.third_step6.gradle b/build.third_step6.gradle
index 5c4c0d4cd..77b400365 100644
--- a/build.third_step6.gradle
+++ b/build.third_step6.gradle
@@ -24,7 +24,7 @@ sourceSets{
 	main{
 		java{
 			srcDirs=[
-				"${srcDir}/fine-druid/src"
+				"${srcDir}/fine-druid/src",
 				"${srcDir}/fine-socketio/src"
 				]
 		}