diff --git a/samples/mpp_decode_demo/CMakeLists.txt b/samples/mpp_decode_demo/CMakeLists.txt
index c6700dd..910b2cd 100644
--- a/samples/mpp_decode_demo/CMakeLists.txt
+++ b/samples/mpp_decode_demo/CMakeLists.txt
@@ -11,6 +11,8 @@ else()
         ${MPP_SRC_ROOT}/utils/mpp_opt.c
         ${MPP_SRC_ROOT}/utils/dictionary.c
         ${MPP_SRC_ROOT}/utils/iniparser.c)
+    set(MPP_BASE_SOURCE
+        ${MPP_SRC_ROOT}/mpp/base/mpp_trie.c)
 
     if(NOT EXISTS ${MPP_TEST_SOURCE})
         message(FATAL_ERROR "mpi_dec_test.c not found at ${MPP_TEST_SOURCE}. Verify RK_MPP_ROOT")
@@ -29,7 +31,8 @@ else()
 
     add_executable(mpp_decode_demo
         ${MPP_TEST_SOURCE}
-        ${MPP_UTIL_SOURCE})
+        ${MPP_UTIL_SOURCE}
+        ${MPP_BASE_SOURCE})
 
     target_include_directories(mpp_decode_demo PRIVATE
         ${MPP_SRC_ROOT}/inc