diff --git a/test/unittest/phone/rtg_interface_test.cpp b/test/unittest/phone/rtg_interface_test.cpp
index afcf90a7a9e6c3493f86ebc70cd39b933e75af5b..f8841a3211b334b68812ec0f046eb0e70b385229 100644
--- a/test/unittest/phone/rtg_interface_test.cpp
+++ b/test/unittest/phone/rtg_interface_test.cpp
@@ -27,7 +27,7 @@ namespace RME {
 using namespace testing;
 using namespace testing::ext;
 
-#define RTG_INTERFACE_SO_PATH "/system/lib/librtg_interface.z.so"
+#define RTG_INTERFACE_SO_PATH "librtg_interface.z.so"
 
 enum RtgType : int {
     VIP = 0,