diff --git a/guh.pri b/guh.pri
index 00172347..23d81e02 100644
--- a/guh.pri
+++ b/guh.pri
@@ -11,8 +11,8 @@ DEFINES += GUH_VERSION_STRING=\\\"$${GUH_VERSION_STRING}\\\" \
 
 QT+= network
 
-QMAKE_CXXFLAGS += -Werror
-CONFIG += c++11
+QMAKE_CXXFLAGS += -Werror -std=c++11
+QMAKE_LFLAGS += -std=c++11
 
 # Check for Bluetoot LE support (Qt >= 5.4.0)
 !contains(QT_VERSION, ^5\\.[0-3]\\..*) {