--- meson.build
+++ meson.build
@@ -61,7 +61,7 @@
 build_args = [
   '-Wall',
   '-Wextra',
-  '-Ofast',
+  '-Os',
   '-std=c99',
 ]
 
--- Makefile
+++ Makefile
@@ -1,6 +1,6 @@
 .PHONY: build/albafetch
 
-OS := $(shell uname -o 2> /dev/null)
+OS := $(shell uname -s 2> /dev/null)
 
 INSTALLPATH := /usr/local/bin
 CONFIGPATH := /etc/xdg
@@ -17,7 +17,8 @@ endif
 ifeq ($(OS),Darwin)
 	INSTALLFLAGS := -m755
 	CONFIGFLAGS := -m644
-	CONFIGPATH := ~/.config/
+	INSTALLPATH := @DESTDIR@/bin
+	CONFIGPATH := @DESTDIR@/etc
 
 	MACOS_INFOS_H := src/macos_infos.h
 	BSDWRAP_H = src/bsdwrap.h