diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6c452ce..2c50b8d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -303,6 +303,10 @@ set(FLANN_USE_STATIC ON)
 find_package(FLANN 1.7.0 REQUIRED)
 find_package(lz4)
 
+if(UNIX AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 6.0)
+    set (CMAKE_CXX_STANDARD 17)
+endif()
+
 # libusb-1.0
 option(WITH_LIBUSB "Build USB RGBD-Camera drivers" TRUE)
 if(WITH_LIBUSB)