diff --git a/dsdcc/CMakeLists.txt b/dsdcc/CMakeLists.txt
index 5f5611cae..152efc73e 100644
--- a/dsdcc/CMakeLists.txt
+++ b/dsdcc/CMakeLists.txt
@@ -1,5 +1,7 @@
 project(dsdcc)
 
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+
 set(dsdcc_SOURCES
     ${LIBDSDCCSRC}/descramble.cpp
     ${LIBDSDCCSRC}/dmr.cpp