diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index c5bea65c1..a28bb833f 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -3,7 +3,7 @@ project (slic3r)
 
 
 # only on newer GCCs: -ftemplate-backtrace-limit=0
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Wall -DM_PI=3.14159265358979323846 -D_GLIBCXX_USE_C99 -DHAS_BOOL -DNOGDI -DBOOST_ASIO_DISABLE_KQUEUE")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -DM_PI=3.14159265358979323846 -D_GLIBCXX_USE_C99 -DHAS_BOOL -DNOGDI -DBOOST_ASIO_DISABLE_KQUEUE")
 
 execute_process(COMMAND git rev-parse --short HEAD OUTPUT_VARIABLE GIT_VERSION ERROR_QUIET)
 
@@ -103,6 +103,7 @@ add_library(libslic3r STATIC
     ${LIBDIR}/libslic3r/SVG.cpp
     ${LIBDIR}/libslic3r/TriangleMesh.cpp
 )
+target_compile_features(libslic3r PUBLIC cxx_std_11)
 
 add_library(BSpline STATIC
     ${LIBDIR}/BSpline/BSpline.cpp
@@ -188,6 +189,7 @@ IF(wxWidgets_FOUND)
     ${GUI_LIBDIR}/Settings.cpp
     ${GUI_LIBDIR}/misc_ui.cpp
     )
+    target_compile_features(slic3r_gui PUBLIC cxx_std_11)
     #only build GUI lib if building with wx
     target_link_libraries (slic3r slic3r_gui ${wxWidgets_LIBRARIES})
 ELSE(wxWidgets_FOUND)