diff --git a/dlls/advpack/files.c b/dlls/advpack/files.c
index c34f6d566cc..a1d52f8ace4 100644
--- a/dlls/advpack/files.c
+++ b/dlls/advpack/files.c
@@ -708,6 +708,8 @@ HRESULT WINAPI ExtractFilesA(LPCSTR CabName, LPCSTR ExpandDir, DWORD Flags,
     if (!hCabinet)
         return E_FAIL;
 
+    ZeroMemory(&session, sizeof(SESSION));
+
     pExtract = (void *)GetProcAddress(hCabinet, "Extract");
     if (!pExtract)
     {
@@ -715,7 +717,6 @@ HRESULT WINAPI ExtractFilesA(LPCSTR CabName, LPCSTR ExpandDir, DWORD Flags,
         goto done;
     }
 
-    ZeroMemory(&session, sizeof(SESSION));
     lstrcpyA(session.Destination, ExpandDir);
 
     if (FileList)