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-rw-r--r--src/win32/init.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/win32/init.rs b/src/win32/init.rs
index 53fbc96..11a5e9f 100644
--- a/src/win32/init.rs
+++ b/src/win32/init.rs
@@ -297,7 +297,7 @@ fn register_window_class() -> Vec<u16> {
let class = winapi::WNDCLASSEXW {
cbSize: mem::size_of::<winapi::WNDCLASSEXW>() as winapi::UINT,
style: winapi::CS_HREDRAW | winapi::CS_VREDRAW | winapi::CS_OWNDC,
- lpfnWndProc: callback::callback,
+ lpfnWndProc: Some(callback::callback),
cbClsExtra: 0,
cbWndExtra: 0,
hInstance: unsafe { kernel32::GetModuleHandleW(ptr::null()) },