diff --git a/dlls/msi/msi.c b/dlls/msi/msi.c
index 973bebd683d..68e9f8154e7 100644
--- a/dlls/msi/msi.c
+++ b/dlls/msi/msi.c
@@ -4207,3 +4207,9 @@ UINT WINAPI MsiEndTransaction( DWORD state )
     FIXME("%u\n", state);
     return ERROR_SUCCESS;
 }
+
+UINT WINAPI Migrate10CachedPackagesW(void* a, void* b, void* c, DWORD d)
+{
+    FIXME("%p,%p,%p,%08x\n", a, b, c, d);
+    return ERROR_SUCCESS;
+}
diff --git a/dlls/msi/msi.spec b/dlls/msi/msi.spec
index 8dc884a42ba..c1e6e7f3c1a 100644
--- a/dlls/msi/msi.spec
+++ b/dlls/msi/msi.spec
@@ -229,7 +229,7 @@
 233 stub MsiDeleteUserDataA
 234 stub MsiDeleteUserDataW
 235 stub Migrate10CachedPackagesA
-236 stub Migrate10CachedPackagesW
+236 stdcall Migrate10CachedPackagesW(ptr ptr ptr long)
 237 stub MsiRemovePatchesA
 238 stub MsiRemovePatchesW
 239 stdcall MsiApplyMultiplePatchesA(str str str)