diff --git a/main/main.pro b/main/main.pro
index cb88c34..5ebb9d3 100644
--- a/main/main.pro
+++ b/main/main.pro
@@ -3,8 +3,8 @@ TARGET = main
 
 CONFIG += -std=c++11
 
-QMAKE_CFLAGS = -c -pipe -std=c11 -g -O0 -Wall -Wno-attributes -W -DDEBUG -D_REENTRANT -fPIC
-QMAKE_CXX_FLAGS += -std=c11
+QMAKE_CFLAGS = -c -pipe -std=c11 -g -O -Wall -Wno-attributes -W -DDEBUG -D_REENTRANT -fPIC
+QMAKE_CXXFLAGS += -std=c++17 -g -O
 
 INCLUDEPATH += $$_PRO_FILE_PWD_/../../MOBILISIS-Calculator/library/include/mobilisis/
 INCLUDEPATH += $$_PRO_FILE_PWD_/../../MOBILISIS-Calculator/library/include/rapidjson/