diff --git a/Makefile b/Makefile
index 21babd5aa..af7f58f08 100644
--- a/Makefile
+++ b/Makefile
@@ -66,7 +66,7 @@ NXDK_CFLAGS  = -target i386-pc-win32 -march=pentium3 \
                -Wno-ignored-attributes -DNXDK -D__STDC__=1
 NXDK_ASFLAGS = -target i386-pc-win32 -march=pentium3 \
                -nostdlib -I$(NXDK_DIR)/lib -I$(NXDK_DIR)/lib/xboxrt
-NXDK_CXXFLAGS = -I$(NXDK_DIR)/lib/libcxx/include $(NXDK_CFLAGS) -fno-rtti
+NXDK_CXXFLAGS = -I$(NXDK_DIR)/lib/libcxx/include $(NXDK_CFLAGS)
 NXDK_LDFLAGS = -subsystem:windows -fixed:no -entry:XboxCRTEntry \
                -stack:$(NXDK_STACKSIZE) -safeseh:no -include:__fltused -include:__xlibc_check_stack
 
diff --git a/lib/xboxrt/Makefile b/lib/xboxrt/Makefile
index 62a2644b4..7a97ab74d 100644
--- a/lib/xboxrt/Makefile
+++ b/lib/xboxrt/Makefile
@@ -26,6 +26,11 @@ XBOXRT_SRCS := \
 
 XBOXRT_OBJS = $(addsuffix .obj, $(basename $(XBOXRT_SRCS)))
 
+# This file needs to be always built with -fno-rtti because it contains the
+# type_info class. If the parameter is missing, clang will generate an invalid
+# reference from type_info to its own vftable.
+$(NXDK_DIR)/lib/xboxrt/vcruntime/vcruntime_typeinfo.obj: NXDK_CXXFLAGS += -fno-rtti
+
 $(NXDK_DIR)/lib/libxboxrt.lib: $(XBOXRT_OBJS)
 
 main.exe: $(NXDK_DIR)/lib/libxboxrt.lib
diff --git a/lib/xboxrt/vcruntime/vcruntime_typeinfo.cpp b/lib/xboxrt/vcruntime/vcruntime_typeinfo.cpp
index f950cc323..a3b4406f2 100644
--- a/lib/xboxrt/vcruntime/vcruntime_typeinfo.cpp
+++ b/lib/xboxrt/vcruntime/vcruntime_typeinfo.cpp
@@ -33,3 +33,11 @@ extern "C"
         return hash;
     }
 }
+
+type_info::~type_info() noexcept
+{
+}
+
+type_info::type_info () noexcept
+{
+}
diff --git a/lib/xboxrt/vcruntime/vcruntime_typeinfo.h b/lib/xboxrt/vcruntime/vcruntime_typeinfo.h
index d90d6eb7f..5ca385a92 100644
--- a/lib/xboxrt/vcruntime/vcruntime_typeinfo.h
+++ b/lib/xboxrt/vcruntime/vcruntime_typeinfo.h
@@ -12,8 +12,8 @@
 
 struct __std_type_info_data
 {
-    char const *_UndecoratedName;
-    char const _DecoratedName[1];
+    char *_UndecoratedName;
+    char _DecoratedName[1];
 };
 
 extern "C"
@@ -25,7 +25,7 @@ extern "C"
 class type_info
 {
 public:
-    virtual ~type_info ();
+    virtual ~type_info () noexcept;
 
     const char *name () const noexcept
     {
@@ -60,7 +60,11 @@ class type_info
     }
 
 private:
-    type_info (type_info const &) = delete;
+    // According to the standard, this constructor should not exist. However,
+    // not having any constructors causes LLVM to not emit a vftable.
+    type_info () noexcept;
+
+    type_info (type_info const &) noexcept = delete;
     type_info &operator= (type_info const &) = delete;
 
     mutable __std_type_info_data _Data;