diff --git a/include/minimize.hpp b/include/minimize.hpp
index c6ebded..805c1b4 100644
--- a/include/minimize.hpp
+++ b/include/minimize.hpp
@@ -9,7 +9,7 @@
 extern std::regex re_var_exclude;
 extern std::regex re_fct_exclude;
 
-#define RESERVED_VARIABLES "HOME", "PATH", "SHELL", "PWD"
+#define RESERVED_VARIABLES "HOME", "PATH", "SHELL", "PWD", "OPTIND", "OPTARG"
 
 std::regex var_exclude_regex(std::string const& in);
 std::regex fct_exclude_regex(std::string const& in);
diff --git a/src/minimize.cpp b/src/minimize.cpp
index 32903fa..800e079 100644
--- a/src/minimize.cpp
+++ b/src/minimize.cpp
@@ -50,7 +50,7 @@ std::vector<subarg*> cmd::arg_vars()
     return ret;
   std::string cmdname=this->firstarg_string();
 
-  if(cmdname == "export" || cmdname == "unset" || cmdname == "local")
+  if(cmdname == "export" || cmdname == "unset" || cmdname == "local" || cmdname == "read")
   {
     for(uint32_t i=1; i<args->size(); i++)
     {