diff --git a/.gitignore b/.gitignore
index 2eb8c04..0730d6a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,5 @@
 /build
-/controller
+/main
 /tags
 /.vscode
 /compile_flags.txt
diff --git a/Makefile b/Makefile
index a71eae1..f1c4892 100644
--- a/Makefile
+++ b/Makefile
@@ -13,9 +13,9 @@ objs+=$(patsubst ${src_dir}/%.c,${build_dir}/%.o,${srcs})
 all: build
 
 .PHONY: build
-build: controller
+build: main
 
-controller: ${objs}
+main: ${objs}
 	${CC} -o $@ $^ ${CFLAGS} ${LDFLAGS}
 
 ${build_dir}/%.o: ${src_dir}/%.c
@@ -28,4 +28,4 @@ compile_flags.txt:
 
 .PHONY: clean
 clean:
-	${RM} -rf build controller
+	${RM} -rf build main
diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..3c6f893
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,7 @@
+#include <stdio.h>
+
+int main(int argc, char* argv[])
+{
+  printf("helol wolrd!\n");
+  return 0;
+}