diff --git a/build/src.pro b/build/src.pro
index 775084c..32bc237 100644
--- a/build/src.pro
+++ b/build/src.pro
@@ -4,7 +4,7 @@ TARGET = ipc
 CONFIG -= qt
 
 msvc:QMAKE_CXXFLAGS += /std:c++17
-else:CONFIG += c++1z
+else:QMAKE_CXXFLAGS += -std=gnu++1z
 
 DEFINES += __IPC_LIBRARY__
 DESTDIR = ../output