diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3514f34..e135fb7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -166,10 +166,8 @@ install(TARGETS tgc-sim
 ###############################################################################
 #
 ###############################################################################
-project(dbt-rise-tgc_sc VERSION 1.0.0)
-
-include(SystemCPackage)
-if(SystemC_FOUND)
+if(TARGET scc-sysc)
+	project(dbt-rise-tgc_sc VERSION 1.0.0)
     add_library(${PROJECT_NAME} src/sysc/core_complex.cpp)
     target_compile_definitions(${PROJECT_NAME} PUBLIC WITH_SYSTEMC)
     target_compile_definitions(${PROJECT_NAME} PRIVATE CORE_${CORE_NAME})