diff --git a/samples/mpp_decode_demo/CMakeLists.txt b/samples/mpp_decode_demo/CMakeLists.txt
index cfababd..c6700dd 100644
--- a/samples/mpp_decode_demo/CMakeLists.txt
+++ b/samples/mpp_decode_demo/CMakeLists.txt
@@ -15,9 +15,11 @@ else()
     if(NOT EXISTS ${MPP_TEST_SOURCE})
         message(FATAL_ERROR "mpi_dec_test.c not found at ${MPP_TEST_SOURCE}. Verify RK_MPP_ROOT")
     endif()
-    if(NOT EXISTS ${MPP_UTIL_SOURCE})
-        message(FATAL_ERROR "mpi_dec_utils.c not found at ${MPP_UTIL_SOURCE}. Verify RK_MPP_ROOT")
-    endif()
+    foreach(src ${MPP_UTIL_SOURCE})
+        if(NOT EXISTS ${src})
+            message(FATAL_ERROR "MPP util source not found at ${src}. Verify RK_MPP_ROOT")
+        endif()
+    endforeach()
     if(NOT RK_MPP_LIB_PATH)
         message(FATAL_ERROR "Set RK_MPP_LIB_PATH to the built librockchip_mpp.so for RK3588")
     endif()