diff --git a/rsudo.c b/rsudo.c
index 38e9ab7..b971f84 100644
--- a/rsudo.c
+++ b/rsudo.c
@@ -46,9 +46,6 @@ char *join(char *s1, char *s2) {
         strcpy(result, s1);
         strcat(result, s2);
     }
-    free(s1);
-    free(s2);
-
     return result;
 }
 
@@ -120,7 +117,7 @@ int main(int argc, char **argv) {
 
         char *tot = malloc(1);
         *tot = 0;
-        for (int i = 1; i < argc; i++) {
+        for (int i = 1; i < argc - 1; i++) {
             char *arg = argv[i];
             tot = join(tot, arg);