diff --git a/apps/app_externalivr.c b/apps/app_externalivr.c
index e6583577a6..a73a19dfb2 100644
--- a/apps/app_externalivr.c
+++ b/apps/app_externalivr.c
@@ -118,7 +118,7 @@ static void send_eivr_event(FILE *handle, const char event, const char *data,
 
 	ast_str_append(&tmp, 0, "%c,%10d", event, (int)time(NULL));
 	if (data) {
-		ast_str_append(&tmp, 0, "%s", data);
+		ast_str_append(&tmp, 0, ",%s", data);
 	}
 
 	fprintf(handle, "%s\n", tmp->str);