diff --git a/makefile b/makefile
index 860f5e5..a8bd6fa 100644
--- a/makefile
+++ b/makefile
@@ -1,8 +1,11 @@
 includeF = -Iinclude
 libraryF = -Llib -lSDL2
 
-bin/main.exe: src/main.cpp obj/GameOfLife.o
-	g++ -std=c++17 -o bin/main.exe src/main.cpp obj/GameOfLife.o $(includeF) $(libraryF) 
+bin/main: pre-build src/main.cpp obj/GameOfLife.o
+	g++ -std=c++17 -o bin/main src/main.cpp obj/GameOfLife.o $(includeF) $(libraryF) 
 	
 obj/GameOfLife.o: src/GameOfLife.cpp
 	g++ -std=c++17 -c -o obj/GameOfLife.o src/GameOfLife.cpp $(includeF) $(libraryF) 
+
+pre-build: 
+	mkdir -p obj && mkdir -p bin