diff --git a/generate_rdoc.sh b/generate_rdoc.sh
index e5150de1..39a043bd 100755
--- a/generate_rdoc.sh
+++ b/generate_rdoc.sh
@@ -1,2 +1,2 @@
 #!/bin/bash
-rdoc -x cache/ -x spec/ -x data/
+rdoc -x cache/ -x spec/ -x data/ -x coverage/ -x doc/