diff --git a/src/systemc/tests/SConscript b/src/systemc/tests/SConscript
index 7450610..f7894aa 100644
--- a/src/systemc/tests/SConscript
+++ b/src/systemc/tests/SConscript
@@ -170,6 +170,7 @@
         os.path.walk(str(subdir_src), visitor, None)
 
     scan_dir_for_tests('systemc')
+    scan_dir_for_tests('tlm')
 
 
     def build_tests_json(target, source, env):