1 files changed, 1 insertions, 1 deletions
diff --git a/PC/_msi.c b/PC/_msi.c
index a901f98..9c3f9f6 100644
--- a/PC/_msi.c
+++ b/PC/_msi.c
@@ -594,7 +594,7 @@ summary_setproperty(msiobj* si, PyObject *args)
         return NULL;
 
     if (PyUnicode_Check(data)) {
-        WCHAR *value = _PyUnicode_AsUnicode(data);
+        const WCHAR *value = _PyUnicode_AsUnicode(data);
         if (value == NULL) {
             return NULL;
         }