diff --git a/Makefile b/Makefile
index 7970c6b7cf..003deea2d7 100644
--- a/Makefile
+++ b/Makefile
@@ -136,12 +136,12 @@ retroarch: $(RARCH_OBJ)
 $(OBJDIR)/%.o: %.c config.h config.mk
 	@mkdir -p $(dir $@)
 	@$(if $(Q), $(shell echo echo CC $<),)
-	$(Q)$(CC) $(CFLAGS) $(DEFINES) -MMD -c -o $@ $<
+	$(Q)$(CC) $(CPPFLAGS) $(CFLAGS) $(DEFINES) -MMD -c -o $@ $<
 
 $(OBJDIR)/%.o: %.cpp config.h config.mk
 	@mkdir -p $(dir $@)
 	@$(if $(Q), $(shell echo echo CXX $<),)
-	$(Q)$(CXX) $(CXXFLAGS) $(DEFINES) -MMD -c -o $@ $<
+	$(Q)$(CXX) $(CPPFLAGS) $(CXXFLAGS) $(DEFINES) -MMD -c -o $@ $<
 
 $(OBJDIR)/%.o: %.m
 	@mkdir -p $(dir $@)
diff --git a/audio/audio_filters/Makefile b/audio/audio_filters/Makefile
index 3d3be558fc..3efbcc5344 100644
--- a/audio/audio_filters/Makefile
+++ b/audio/audio_filters/Makefile
@@ -57,7 +57,7 @@ endif
 
 CC      := $(compiler) -Wall
 CXX     := $(subst CC,++,$(compiler)) -std=gnu++0x -Wall
-flags   := $(CFLAGS) -fPIC $(extra_flags) -I../../libretro-common/include
+flags   := $(CPPFLAGS) $(CFLAGS) -fPIC $(extra_flags) -I../../libretro-common/include
 asflags := $(ASFLAGS) -fPIC  $(extra_flags)
 objects :=
 
diff --git a/gfx/video_filters/Makefile b/gfx/video_filters/Makefile
index 6989f10494..cfcf75911b 100644
--- a/gfx/video_filters/Makefile
+++ b/gfx/video_filters/Makefile
@@ -57,7 +57,7 @@ endif
 
 CC      := $(compiler)
 CXX     := $(subst CC,++,$(compiler))
-flags   := $(CFLAGS) -fPIC $(extra_flags) -I../../libretro-common/include
+flags   := $(CPPFLAGS) $(CFLAGS) -fPIC $(extra_flags) -I../../libretro-common/include
 asflags := $(ASFLAGS) -fPIC  $(extra_flags)
 objects :=
 flags   += -std=c99