diff --git a/src/core/cpn/CMakeLists.txt b/src/core/cpn/CMakeLists.txt
index 3023dab1..137e9573 100644
--- a/src/core/cpn/CMakeLists.txt
+++ b/src/core/cpn/CMakeLists.txt
@@ -4,7 +4,7 @@ set(SRCS
 	DatabaseCampaign.cc
 )
 
-set_source_files_properties(JobServer.cc CampaignManager.cc PROPERTIES COMPILE_FLAGS -std=c++11)
+set_source_files_properties(JobServer.cc CampaignManager.cc PROPERTIES COMPILE_FLAGS -std=c++14)
 
 find_package(MySQL REQUIRED)
 include_directories(${MYSQL_INCLUDE_DIR})