diff --git a/ext/mini_racer_extension/extconf.rb b/ext/mini_racer_extension/extconf.rb
index 87be090..0b7b5ea 100644
--- a/ext/mini_racer_extension/extconf.rb
+++ b/ext/mini_racer_extension/extconf.rb
@@ -19,6 +19,9 @@
 $CXXFLAGS += " -fPIC" unless $CXXFLAGS.split.include? "-rdynamic" or IS_DARWIN
 $CXXFLAGS += " -std=c++17"
 $CXXFLAGS += " -fpermissive"
+$CXXFLAGS += " -fno-rtti"
+$CXXFLAGS += " -fno-exceptions"
+$CXXFLAGS += " -fno-strict-aliasing"
 #$CXXFLAGS += " -DV8_COMPRESS_POINTERS"
 $CXXFLAGS += " -fvisibility=hidden "