diff --git a/Makefile.conf b/Makefile.conf
index e9659d7..e26cb75 100644
--- a/Makefile.conf
+++ b/Makefile.conf
@@ -21,9 +21,9 @@ LDLIBS=-lstdc++ -lpEpEngine -lpEpAdapter
 
 ######### C++ #########
 ifeq ($(BUILD_FOR),Linux)
-    CXX=g++ -std=c++14
+    CXX=g++ -std=c++11
 else ifeq ($(BUILD_FOR),Darwin)
-    CXX=clang -std=c++14
+    CXX=clang -std=c++11
 endif
 
 ifeq ($(BUILD_FOR),Linux)