diff --git a/desktop/build.gradle b/desktop/build.gradle
index ae2305e51c..6b7aed7e95 100644
--- a/desktop/build.gradle
+++ b/desktop/build.gradle
@@ -30,7 +30,7 @@ task debug(dependsOn: classes, type: JavaExec) {
 }
 
 task dist(type: Jar) {
-    from files(sourceSets.main.output.classesDir)
+    from files(sourceSets.main.output.classesDirs)
     from files(sourceSets.main.output.resourcesDir)
     from {configurations.compile.collect {zipTree(it)}}
     from files(project.assetsDir);
diff --git a/server/build.gradle b/server/build.gradle
index 73ea482c75..3ea6be98dc 100644
--- a/server/build.gradle
+++ b/server/build.gradle
@@ -37,7 +37,7 @@ task debug(dependsOn: classes, type: JavaExec) {
 }
 
 task dist(type: Jar) {
-    from files(sourceSets.main.output.classesDir)
+    from files(sourceSets.main.output.classesDirs)
     from files(sourceSets.main.output.resourcesDir)
     from {configurations.compile.collect {zipTree(it)}}
     from files(project.assetsDir);