diff --git a/dlls/msi/tests/custom.c b/dlls/msi/tests/custom.c
index f06aee06755..c9ec82fd930 100644
--- a/dlls/msi/tests/custom.c
+++ b/dlls/msi/tests/custom.c
@@ -510,12 +510,14 @@ static void test_db(MSIHANDLE hinst)
 
     for (i = 0; i < 20; i++)
     {
+        WCHAR emptyW[1] = { 0 };
+
         r = MsiSummaryInfoSetPropertyA(suminfo, i, prop_type[i], 1252, &ft, "");
         ok(hinst, r == ERROR_FUNCTION_FAILED, "%u: got %u\n", i, r);
-    }
 
-    r = MsiSummaryInfoSetPropertyW(suminfo, PID_CODEPAGE, VT_I2, 1252, &ft, NULL);
-    ok(hinst, r == ERROR_FUNCTION_FAILED, "got %u\n", r);
+        r = MsiSummaryInfoSetPropertyW(suminfo, i, prop_type[i], 1252, &ft, emptyW);
+        ok(hinst, r == ERROR_FUNCTION_FAILED, "%u: got %u\n", i, r);
+    }
 
     r = MsiCloseHandle(suminfo);
     ok(hinst, !r, "got %u\n", r);