diff --git a/apps/app_chanspy.c b/apps/app_chanspy.c
index b9b7e5b587..f05a22ac00 100644
--- a/apps/app_chanspy.c
+++ b/apps/app_chanspy.c
@@ -644,7 +644,7 @@ static int common_exec(struct ast_channel *chan, struct ast_flags *flags,
 	char *ptr;
 	int num;
 	int num_spyed_upon = 1;
-	struct chanspy_ds chanspy_ds;
+	struct chanspy_ds chanspy_ds = { 0, };
 
 	if (ast_test_flag(flags, OPTION_EXIT)) {
 		const char *c;