diff --git a/Makefile b/Makefile
index 0442dfd..ae653bf 100644
--- a/Makefile
+++ b/Makefile
@@ -10,13 +10,6 @@ endif
 
 include $(DEVKITARM)/base_tools
 
-UNAME_S := $(shell uname -s)
-ifeq ($(UNAME_S),Darwin)
-	size := stat -f%z
-else
-	size := stat -c%s
-endif
-
 name := Luma3DS
 revision := $(shell git describe --tags --match v[0-9]* --abbrev=8 | sed 's/-[0-9]*-g/-/')
 version_major := $(shell git describe --tags --match v[0-9]* | cut -c2- | cut -f1 -d- | cut -f1 -d.)
@@ -152,7 +145,7 @@ $(dir_build)/config.o: CFLAGS += -DCONFIG_TITLE="\"$(name) $(revision) configura
 $(dir_build)/patches.o: CFLAGS += -DVERSION_MAJOR="$(version_major)" -DVERSION_MINOR="$(version_minor)"\
 						-DVERSION_BUILD="$(version_build)" -DISRELEASE="$(is_release)" -DCOMMIT_HASH="0x$(commit)"
 $(dir_build)/firm.o: $(dir_build)/modules.bin
-$(dir_build)/firm.o: CFLAGS += -DLUMA_SECTION0_SIZE="$(shell $(size) $(dir_build)/modules.bin)"
+$(dir_build)/firm.o: CFLAGS += -DLUMA_SECTION0_SIZE="$(shell wc -c build/modules.bin | tr -d [:space:][:alpha:][:punct:])"
 
 $(dir_build)/bundled.h: $(bundled)
 	@$(foreach f, $(bundled),\