diff --git a/libraries/base/tst/hdllib.cfg b/libraries/base/tst/hdllib.cfg
index 29645fb6873d1df2ae035622b6a3b08dc90fba14..e92f910313ea55758783309d100cfaed8d5fb016 100644
--- a/libraries/base/tst/hdllib.cfg
+++ b/libraries/base/tst/hdllib.cfg
@@ -6,7 +6,7 @@ build_sim_dir = $HDL_BUILD_DIR
 build_synth_dir = 
 
 synth_files =
-    src/vhdl/tst_output.vhd
-    src/vhdl/tst_input.vhd
+    $UNB/Firmware/modules/Lofar/tst/src/vhdl/tst_output.vhd
+    $UNB/Firmware/modules/Lofar/tst/src/vhdl/tst_input.vhd
     
 test_bench_files =