diff --git a/src/cryogen_core/classpath_able_io.clj b/src/cryogen_core/classpath_able_io.clj
index 3f3d015..8c8d1de 100644
--- a/src/cryogen_core/classpath_able_io.clj
+++ b/src/cryogen_core/classpath_able_io.clj
@@ -30,11 +30,16 @@
 
 
 (defn copy-dir 
-  [source-dir target-file ignore-patterns]
+  [source-dir target-dir ignore-patterns]
   (let [source-list (.list source-dir)]
-    (io/make-parents target-file)
     (doseq [f source-list]
-      (io/copy f target-file))))
+      (let [target-file (io/file target-dir f)
+            source-file (io/file source-dir f)]
+        (if (.isDirectory source-file)
+          (copy-dir source-file target-file ignore-patterns)
+          (do
+            (io/make-parents target-file)
+            (io/copy f target-file)))))))
 
 (defn copy-resources
   [fs-prefix source-path target-path ignore-patterns]
@@ -52,8 +57,7 @@
       )))
 
 (defn copy-resources-from-theme
-  [fs-prefix theme target]
-  (let [source-path (str "templates/themes/" theme "/js")
-        target-path (str target "/js")]
+  [fs-prefix theme target-path]
+  (let [source-path (str "templates/themes/" theme "/js")]
     (copy-resources fs-prefix source-path target-path "")))
 
diff --git a/test-resources/templates/themes/bootstrap4-test/js/subdir/subdummy.js b/test-resources/templates/themes/bootstrap4-test/js/subdir/subdummy.js
new file mode 100644
index 0000000..e69de29
diff --git a/test/cryogen_core/classpath_able_io_test.clj b/test/cryogen_core/classpath_able_io_test.clj
index 07af03f..0e12146 100644
--- a/test/cryogen_core/classpath_able_io_test.clj
+++ b/test/cryogen_core/classpath_able_io_test.clj
@@ -30,7 +30,12 @@
 (deftest test-copy-resources-from-theme
   (is (do
          (sut/copy-resources-from-theme "./" theme target)
-         (and (verify-dir-exists 
+         (and (verify-dir-exists
                (str target "/templates/themes/bootstrap4-test/js"))
-              (verify-file-exists 
-               (str target "/templates/themes/bootstrap4-test/js/dummy.js"))))))
\ No newline at end of file
+              (verify-file-exists
+               (str target "/templates/themes/bootstrap4-test/js/dummy.js"))
+              (verify-dir-exists
+               (str target "/templates/themes/bootstrap4-test/js/subdir"))
+              (verify-file-exists
+               (str target "/templates/themes/bootstrap4-test/js/subdir/subdummy.js"))
+              ))))
\ No newline at end of file