diff --git a/tests/trustee-function-test/install.sh b/tests/trustee-function-test/install.sh
index b639fea8acee34435c45c3502859e315716c3d5d..5bae47e80a817d9a4013c6c582949afb4027cdb4 100644
--- a/tests/trustee-function-test/install.sh
+++ b/tests/trustee-function-test/install.sh
@@ -16,6 +16,6 @@ build()
 
 install()
 {
-     cp -a $TONE_BM_BUILD_DIR/* $TONE_BM_RUN_DIR/trustee
+     cp -a $TONE_BM_BUILD_DIR $TONE_BM_RUN_DIR/trustee
 }
     
\ No newline at end of file