diff --git a/cmake_targets/CMakeLists.txt b/cmake_targets/CMakeLists.txt
index 00afe8eb67f598152b5bde0ac6a5f9f5b5a5db70..d2d704af21876dfb89f155bfbf107135dedfd437 100644
--- a/cmake_targets/CMakeLists.txt
+++ b/cmake_targets/CMakeLists.txt
@@ -183,7 +183,6 @@ if (${ENABLE_ITTI})
     )
   set(ITTI_LIB ITTI)
   set(GTPU_need_ITTI ${OPENAIRCN_DIR}/GTPV1-U/gtpv1u_eNB.c)
-  set(EXMIMO_IOT)
 endif (${ENABLE_ITTI})
 
 add_boolean_option(RTAI False "Use RTAI")
@@ -407,6 +406,7 @@ add_boolean_option(OPENAIR_LTE             True "Seems legacy: keep it to true")
 add_boolean_option(DRIVER2013              True "????")
 add_boolean_option(ENABLE_FXP              True "????")
 add_boolean_option(ENABLE_NEW_MULTICAST    False "specific to oaisim")
+add_boolean_option(EXMIMO_IOT              True "????")
 add_boolean_option(LARGE_SCALE             False "specific to oaisim: defines max eNB=2 and max UE=120")
 add_boolean_option(LOCALIZATION            False "???")
 add_integer_option(MAX_NUM_CCs             1     "????")