diff --git a/vncviewer/DesktopWindow.cxx b/vncviewer/DesktopWindow.cxx
index 1bc413d..7652779 100644
--- a/vncviewer/DesktopWindow.cxx
+++ b/vncviewer/DesktopWindow.cxx
@@ -864,7 +864,7 @@
 {
   mouseGrabbed = false;
 #if !defined(WIN32) && !defined(__APPLE__)
-  XUngrabPointer(fl_display, fl_event_time);
+  XUngrabPointer(fl_display, CurrentTime);
 #endif
 }