diff --git a/Makefile b/Makefile
index 168ae178d..021e802dc 100644
--- a/Makefile
+++ b/Makefile
@@ -48,11 +48,11 @@ endif
 CXXFLAGS+= -Wall -Wextra -Wno-unused-parameter
 
 ifdef HAVE_GCC
-  CXXFLAGS+= -Wno-multichar -Wunused -fno-rtti -Woverloaded-virtual -Wnon-virtual-dtor -std=c++14
+  CXXFLAGS+= -Wno-multichar -Wunused -fno-rtti -Woverloaded-virtual -Wnon-virtual-dtor -std=c++14 -frtti
 endif
 
 ifdef HAVE_CLANG
-  CXXFLAGS+= -Wno-multichar -Wunused -fno-rtti -Woverloaded-virtual -Wnon-virtual-dtor -std=c++14
+  CXXFLAGS+= -Wno-multichar -Wunused -fno-rtti -Woverloaded-virtual -Wnon-virtual-dtor -std=c++14 -frtti
 endif
 
 ifdef CLANG_WARNINGS