diff --git a/src/main/java/com/github/maven_nar/NarCompileMojo.java b/src/main/java/com/github/maven_nar/NarCompileMojo.java
index 7065a30f..d053bd0c 100644
--- a/src/main/java/com/github/maven_nar/NarCompileMojo.java
+++ b/src/main/java/com/github/maven_nar/NarCompileMojo.java
@@ -145,7 +145,7 @@ private void createLibrary(final Project antProject, final Library library)
 
     // object directory
     File objDir = new File(getTargetDirectory(), "obj");
-    objDir = new File(objDir, getAOL().toString());
+    objDir = new File(objDir, getAOL().toString() + "-" + library.getType());
     objDir.mkdirs();
     task.setObjdir(objDir);