diff --git a/src/win/ClipboardWin.cpp b/src/win/ClipboardWin.cpp
index cc6bcda..412861b 100644
--- a/src/win/ClipboardWin.cpp
+++ b/src/win/ClipboardWin.cpp
@@ -4,7 +4,10 @@
 namespace ultralight {
 
 void ClipboardWin::Clear() {
+  if (!OpenClipboard(0))
+    return;
   EmptyClipboard();
+  CloseClipboard();
 }
 
 String ClipboardWin::ReadPlainText() {
@@ -55,4 +58,4 @@ void ClipboardWin::WritePlainText(const String& text) {
   CloseClipboard();
 }
 
-}  // namespace ultralight
\ No newline at end of file
+}  // namespace ultralight