1 files changed, 1 insertions, 2 deletions
diff --git a/src/main.c b/src/main.c
index 466dee551..8713c790c 100644
--- a/src/main.c
+++ b/src/main.c
@@ -3018,8 +3018,7 @@ int sqlite3_test_control(int op, ...){
     */
     case SQLITE_TESTCTRL_OPTIMIZATIONS: {
       sqlite3 *db = va_arg(ap, sqlite3*);
-      int x = va_arg(ap,int);
-      db->flags = (x & SQLITE_OptMask) | (db->flags & ~SQLITE_OptMask);
+      db->dbOptFlags = (u16)(va_arg(ap, int) & 0xffff);
       break;
     }