diff --git a/build.xml b/build.xml
index aeae3149ada13dc1d9e785b41348275a5f0e2ea0..757889e053695e903489b78a4dab04170256d37c 100644
--- a/build.xml
+++ b/build.xml
@@ -115,7 +115,7 @@
     <javac
     	  srcdir="${build.src.main}"
       destdir="${build.dest.main}"
-    	  excludes="nsdb/**,seqdb/**,type/**,uk/ac/sanger/artemis/components/MacHandler.java,uk/ac/sanger/artemis/components/filetree/FileTree.java,uk/ac/sanger/artemis/components/filetree/SshFileTree.java,uk/ac/sanger/artemis/ExternalProgramUtils.java"
+    	  excludes="nsdb/**,seqdb/**,type/**,lib/**,src/**,uk/ac/sanger/artemis/components/MacHandler.java,uk/ac/sanger/artemis/components/filetree/FileTree.java,uk/ac/sanger/artemis/components/filetree/SshFileTree.java,uk/ac/sanger/artemis/ExternalProgramUtils.java"
       deprecation="false"
       depend="no"
       debug="true">