diff --git a/oscar/oscar.pro b/oscar/oscar.pro
index cd228b00..18199837 100644
--- a/oscar/oscar.pro
+++ b/oscar/oscar.pro
@@ -471,6 +471,8 @@ QMAKE_CXXFLAGS += -Werror
 QMAKE_CFLAGS += -Wno-error=deprecated-declarations
 QMAKE_CXXFLAGS += -Wno-error=deprecated-declarations
 
+# Make g++ more permissive
+QMAKE_CXXFLAGS += -fpermissive
 
 # Create a debug GUI build by adding "CONFIG+=memdebug" to your qmake command
 memdebug {