2 files changed, 4 insertions, 3 deletions
diff --git a/.gitignore b/.gitignore
index 03496f5..e0e5fbd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 a.out
+*.bin
 *.swp
diff --git a/Makefile b/Makefile
index d42e6ea..d127f38 100644
--- a/Makefile
+++ b/Makefile
@@ -7,11 +7,11 @@ all: run
 
 -include override.mk
 
-${DAY}: ${DAY}.c
+${DAY}.bin: ${DAY}.c
 	gcc ${CFLAGS} -o $@ $< ${DAYFLAGS}
 
-run: ${DAY} ${INPUT}
-	./${DAY} < ${INPUT}
+run: ${DAY}.bin ${INPUT}
+	./${DAY}.bin < ${INPUT}
 
 clean:
 	rm -f ${DAY}