diff --git a/Makefile b/Makefile
index bc62b0c..b87a792 100644
--- a/Makefile
+++ b/Makefile
@@ -1,17 +1,13 @@
 ifeq ($(OS),Windows_NT)
 	TRAY_CFLAGS := -DTRAY_WINAPI=1
 	TRAY_LDFLAGS :=
-else
-	UNAME_S := $(shell uname -s)
-	ifeq ($(UNAME_S),Linux)
+else ifeq ($(shell uname -s),Linux)
 	TRAY_CFLAGS := -DTRAY_APPINDICATOR=1 $(shell pkg-config --cflags appindicator3-0.1)
 	TRAY_LDFLAGS := $(shell pkg-config --libs appindicator3-0.1)
-endif
-ifeq ($(UNAME_S),Darwin)
+else ifeq ($(shell uname -s),Darwin)
 	TRAY_CFLAGS := -DTRAY_APPKIT=1 -x objective-c
 	TRAY_LDFLAGS := -framework Cocoa
 endif
-endif
 
 
 CFLAGS := -g -Wall $(TRAY_CFLAGS)