--- src/appleseed.studio/CMakeLists.txt.orig
+++ src/appleseed.studio/CMakeLists.txt
@@ -438,6 +438,7 @@ add_executable (appleseed.studio
 )
 
 set_target_properties (appleseed.studio PROPERTIES FOLDER "Applications")
+set_target_properties (appleseed.studio PROPERTIES CXX_STANDARD 14)
 
 if (WIN32)
     set_target_properties (appleseed.studio PROPERTIES
--- src/appleseed/CMakeLists.txt.orig
+++ src/appleseed/CMakeLists.txt
@@ -2340,6 +2340,7 @@ add_library (appleseed SHARED
 )
 
 set_target_properties (appleseed PROPERTIES FOLDER "Core")
+set_target_properties (appleseed PROPERTIES CXX_STANDARD 14)
 
 if (USE_VISIBILITY_MAP)
     set_target_properties (appleseed PROPERTIES