diff --git a/macloader/macloader.cpp b/macloader/macloader.cpp
index 62397cd6..b316c606 100644
--- a/macloader/macloader.cpp
+++ b/macloader/macloader.cpp
@@ -117,8 +117,8 @@ int main() {
         amode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH;
         ret = chmod(CID_PATH, amode);
 
-        char* chown_cmd = (char*) malloc(strlen("chown system ") + strlen(CID_PATH));
-        char* chgrp_cmd = (char*) malloc(strlen("chgrp system ") + strlen(CID_PATH));
+        char* chown_cmd = (char*) malloc(strlen("chown system ") + strlen(CID_PATH) + 1);
+        char* chgrp_cmd = (char*) malloc(strlen("chgrp system ") + strlen(CID_PATH) + 1);
         sprintf(chown_cmd, "chown system %s", CID_PATH);
         sprintf(chgrp_cmd, "chgrp system %s", CID_PATH);
         system(chown_cmd);