diff --git a/dll/shellext/stobject/csystray.cpp b/dll/shellext/stobject/csystray.cpp
index f75f25d54c4..89bd5c5ac03 100644
--- a/dll/shellext/stobject/csystray.cpp
+++ b/dll/shellext/stobject/csystray.cpp
@@ -121,12 +121,11 @@ HRESULT CSysTray::ProcessIconMessage(UINT uMsg, WPARAM wParam, LPARAM lParam, LR
 *--*/
 HRESULT CSysTray::NotifyIcon(INT code, UINT uId, HICON hIcon, LPCWSTR szTip, DWORD dwstate)
 {
-    NOTIFYICONDATA nim;
+    NOTIFYICONDATA nim = { 0 };
 
     TRACE("NotifyIcon code=%d, uId=%d, hIcon=%p, szTip=%S\n", code, uId, hIcon, szTip);
 
-    ZeroMemory(&nim, sizeof(nim));
-    nim.cbSize = sizeof(nim);
+    nim.cbSize = sizeof(NOTIFYICONDATA);
     nim.uFlags = NIF_MESSAGE | NIF_ICON | NIF_STATE | NIF_TIP;
     nim.hIcon = hIcon;
     nim.uID = uId;
diff --git a/dll/shellext/stobject/hotplug.cpp b/dll/shellext/stobject/hotplug.cpp
index 9550d239603..5c6d3099a80 100644
--- a/dll/shellext/stobject/hotplug.cpp
+++ b/dll/shellext/stobject/hotplug.cpp
@@ -100,10 +100,8 @@ HRESULT EnumHotpluggedDevices(CSimpleArray<DEVINST> &devList)
 *--*/
 HRESULT NotifyBalloon(CSysTray* pSysTray, LPCWSTR szTitle = NULL, LPCWSTR szInfo = NULL, UINT uId = ID_ICON_HOTPLUG)
 {
-    NOTIFYICONDATA nim;
-
-    ZeroMemory(&nim, sizeof(nim));
-    nim.cbSize = sizeof(nim);
+    NOTIFYICONDATA nim = { 0 };
+    nim.cbSize = sizeof(NOTIFYICONDATA);
     nim.uID = uId;
     nim.hWnd = pSysTray->GetHWnd();