diff --git a/freecol.iml b/freecol.iml
index 9d556de1e..b9c9b726d 100644
--- a/freecol.iml
+++ b/freecol.iml
@@ -4,6 +4,9 @@
     <exclude-output />
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/test" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/jars" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/test/lib" type="java-test-resource" />
     </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />