diff --git a/libretro/Makefile.common b/libretro/Makefile.common
index 380e943851..dc7a0ddf64 100644
--- a/libretro/Makefile.common
+++ b/libretro/Makefile.common
@@ -998,7 +998,7 @@ SOURCES_CXX += \
 	$(COMMONDIR)/GPU/D3D11/D3D11Loader.cpp \
 	$(COMMONDIR)/GPU/D3D11/thin3d_d3d11.cpp
 
-INCFLAGS += -I$(CORE_DIR)/dx9sdk/Include/DX11
+INCFLAGS += -I$(CORE_DIR)/dx9sdk/Include -I$(CORE_DIR)/dx9sdk/Include/DX11
 
 endif