diff --git a/src/main/java/gov/nih/nlm/nls/metamap/dfbuilder/CreateIndexes.java b/src/main/java/gov/nih/nlm/nls/metamap/dfbuilder/CreateIndexes.java
index 7e42768..5b5584e 100644
--- a/src/main/java/gov/nih/nlm/nls/metamap/dfbuilder/CreateIndexes.java
+++ b/src/main/java/gov/nih/nlm/nls/metamap/dfbuilder/CreateIndexes.java
@@ -220,6 +220,13 @@ static void prepareDirectories(String ivfdir)
       ivfDir.mkdir();
       tablesDir.mkdir();
       indicesDir.mkdir();
+
+      cuiconceptDir.mkdir();
+      cuisourceinfoDir.mkdir();
+      cuistDir.mkdir();
+      meshtcrelaxedDir.mkdir();
+      varsDir.mkdir();
+
     }
   }