diff --git a/srcs/CMakeLists.txt b/srcs/CMakeLists.txt
index f26eeef..a734d63 100644
--- a/srcs/CMakeLists.txt
+++ b/srcs/CMakeLists.txt
@@ -4,7 +4,7 @@ IF (VCPE_AGENT)
     SET(PROJECT_TARGET_AGENT vcpe_agent)
 ENDIF ()
 
-PROJECT(${PROJECT_TARGET})
+PROJECT(${PROJECT_TARGET} LANGUAGES C)
 
 ADD_DEFINITIONS(${COMMON_DEFINE})
 
diff --git a/srcs/libs/CMakeLists.txt b/srcs/libs/CMakeLists.txt
index f0bf074..c7a224b 100644
--- a/srcs/libs/CMakeLists.txt
+++ b/srcs/libs/CMakeLists.txt
@@ -1,6 +1,6 @@
 SET(LIB_PROJECT_TARGET common)
 
-PROJECT(${LIB_PROJECT_TARGET} VERSION 1.1.0)
+PROJECT(${LIB_PROJECT_TARGET} LANGUAGES C VERSION 1.1.0)
 
 STRING(REPLACE ";" ", " BUILD_CONFIG_INFO "${COMMON_DEFINE}")
 CONFIGURE_FILE(lib_config.h.in lib_config.h)