diff --git a/platform.d b/platform.d
index b5e1021..ae6beb2 100644
--- a/platform.d
+++ b/platform.d
@@ -1083,6 +1083,8 @@ ClipboardText(PlatformWindow* w, ClipboardMode mode)
 		}
 	}
 
+	Unlock(&w.cb_mut);
+
 	return buf;
 }