diff --git a/src/main.c b/src/main.c
index 723e26c..8db750d 100644
--- a/src/main.c
+++ b/src/main.c
@@ -17,7 +17,7 @@
 
 int main(int argc, char* argv[])
 {
-	struct program_options opt;
+	struct program_options opt = { 0, };
 	int ret = -1;
 
 	adainit();