diff --git a/build.rb b/build.rb
index f4af12e..52d1dd2 100755
--- a/build.rb
+++ b/build.rb
@@ -14,7 +14,6 @@
 $CC="gcc"
 CFLAGS="-O1 -march=native -std=c11"
 $EFLAGS = "" #extra flags
-APPNAME="chess"
 SRCDIR="src"
 BUILDDIR="build"
 INCLUDE=""
@@ -23,7 +22,11 @@ EXT=".c" #extension of source file
 #should maybe use environment variables for these
 
 #standalone funcs
-unless __FILE__ == $0
+if __FILE__ == $0
+	ANSI_RED = "\e[31m"
+	ANSI_CLEAR = "\e[0m"
+	RUB = "#{ANSI_RED}RUB#{ANSI_CLEAR}"
+
 	def error(msg)
 		puts "#{RUB}: error: #{msg}"
 		exit 1