diff --git a/reactos/dll/win32/browseui/travellog.cpp b/reactos/dll/win32/browseui/travellog.cpp
index 65516a4efcc..bd5b886c333 100644
--- a/reactos/dll/win32/browseui/travellog.cpp
+++ b/reactos/dll/win32/browseui/travellog.cpp
@@ -172,6 +172,7 @@ HRESULT STDMETHODCALLTYPE CTravelEntry::Update(IUnknown *punk, BOOL fIsLocalAnch
     GetToolTipText(punk, wch);
     TRACE("Updating entry with display name: %S\n", wch);
 
+    ZeroMemory(&windowData, sizeof(WINDOWDATA));
     ILFree(fPIDL);
     fPIDL = NULL;
     GlobalFree(fPersistState);