diff --git a/Makefile b/Makefile
index dc4d051..6afc83e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,9 @@
+CXXFLAGS='-std=c++11'
+
 LDFLAGS=-lcurses
 
-all: tinytetris
+
+all:    tinytetris
 
 clean:
-	rm -f tinytetris tinytetris-commented
+        rm -f tinytetris tinytetris-commented