diff --git a/radio/CMakeLists.txt b/radio/CMakeLists.txt
index 654fb037f0..e68c84ec90 100644
--- a/radio/CMakeLists.txt
+++ b/radio/CMakeLists.txt
@@ -38,7 +38,7 @@ if(OAI_USRP)
   add_subdirectory(USRP)
 endif()
 
-add_boolean_option(VRTSIM_RADIO ON "Activate OAI's shared memory radio driver" OFF)
-if(VRTSIM_RADIO)
+add_boolean_option(OAI_VRTSIM ON "Activate OAI's shared memory radio driver" OFF)
+if(OAI_VRTSIM)
   add_subdirectory(vrtsim)
 endif()