diff --git a/radio/src/targets/simu/CMakeLists.txt b/radio/src/targets/simu/CMakeLists.txt
index 6c9d341b9..a5dec7ecb 100644
--- a/radio/src/targets/simu/CMakeLists.txt
+++ b/radio/src/targets/simu/CMakeLists.txt
@@ -17,6 +17,7 @@ if(Qt5Widgets_FOUND)
   set(SIMULATOR_FLAVOUR opentx-${FLAVOUR})
   set(SIMULATOR_TARGET ${SIMULATOR_FLAVOUR}-simulator)
   add_definitions(-DSIMULATOR_FLAVOUR="${SIMULATOR_FLAVOUR}")
+  add_definitions(-std=gnu++11)
   include_directories(${COMPANION_SRC_DIRECTORY} ${COMPANION_SRC_DIRECTORY}/simulation)
   add_library(${SIMULATOR_TARGET} SHARED ${SIMU_SRC} opentxsimulator.cpp)
   add_dependencies(${SIMULATOR_TARGET} ${FIRMWARE_DEPENDENCIES})