diff --git a/arm11/Makefile b/arm11/Makefile
index 2e0048e..29e4ea7 100644
--- a/arm11/Makefile
+++ b/arm11/Makefile
@@ -44,6 +44,8 @@
 				-mword-relocations -fomit-frame-pointer -ffast-math -ffunction-sections -Wall -Wextra \
 				-Wno-unused-function
 
+CXXFLAGS	+=	$(INCLUDE) $(DEFINES)
+
 ASFLAGS	:=	$(ARCH) -g -flto $(INCLUDE) $(DEFINES)
 LDFLAGS	=	$(ARCH) -g -flto -Wl,--use-blx,--gc-sections,-Map,$(notdir $*.map) -nostartfiles -T ../$(LDNAME)
 
diff --git a/arm9/Makefile b/arm9/Makefile
index 07ba711..63838cd 100644
--- a/arm9/Makefile
+++ b/arm9/Makefile
@@ -42,6 +42,8 @@
 CXXFLAGS	:=	$(ARCH) -std=c11 -O2 -g -flto -fno-rtti -fno-exceptions -fstrict-aliasing \
 				-mword-relocations -fomit-frame-pointer -ffast-math -ffunction-sections -Wall -Wextra
 
+CXXFLAGS	+=	$(INCLUDE) $(DEFINES)
+
 ASFLAGS	:=	$(ARCH) -g -flto $(INCLUDE) $(DEFINES)
 LDFLAGS	=	$(ARCH) -g -flto -Wl,--use-blx,--gc-sections,-Map,$(notdir $*.map) -nostartfiles -T ../$(LDNAME)