1 files changed, 2 insertions, 2 deletions
diff --git a/Modules/_tkinter.c b/Modules/_tkinter.c
index 5f001c6..199ae4f 100644
--- a/Modules/_tkinter.c
+++ b/Modules/_tkinter.c
@@ -574,9 +574,9 @@ SplitObj(PyObject *arg)
     else if (PyBytes_Check(arg)) {
         int argc;
         const char **argv;
-        char *list = PyBytes_AS_STRING(arg);
+        const char *list = PyBytes_AS_STRING(arg);
 
-        if (Tcl_SplitList((Tcl_Interp *)NULL, list, &argc, &argv) != TCL_OK) {
+        if (Tcl_SplitList((Tcl_Interp *)NULL, (char *)list, &argc, &argv) != TCL_OK) {
             Py_INCREF(arg);
             return arg;
         }