diff --git a/rsudo.c b/rsudo.c
index 2670a18..38e9ab7 100644
--- a/rsudo.c
+++ b/rsudo.c
@@ -118,7 +118,8 @@ int main(int argc, char **argv) {
 
         LOG_INFO("main", "finished hello");
 
-        char *tot = "";
+        char *tot = malloc(1);
+        *tot = 0;
         for (int i = 1; i < argc; i++) {
             char *arg = argv[i];
             tot = join(tot, arg);