diff --git a/Makefile b/Makefile
index 9a6646e..40f404a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,13 @@
-FILES = main.c
-LINKR = -lm -lncurses
+INF := main.c
+WRN := -Wall -Wextra
+STD := -std=c99
+OPT := -march=native -O2
+LNK := -lm $(shell pkg-config --cflags --libs ncurses)
+OUT := agraph
 
 default:
-	gcc -Wall -std=c99 -march=native $(LINKR) $(FILES) -o agraph
+	$(CC) $(STD) $(WRN) $(OPT) $(INF) $(LNK) -o $(OUT)
+
+clean:
+	rm -f ./$(out)
+
diff --git a/main.c b/main.c
index b067ef7..64cd83d 100644
--- a/main.c
+++ b/main.c
@@ -1,5 +1,3 @@
-#define _DEFAULT_SOURCE
-
 #include <stdio.h>
 #include <math.h>
 #include <unistd.h>
@@ -136,6 +134,6 @@ int main()
     end:
     curs_set(1);
     endwin();
-    putchar(10);
+
     return 0;
 }