1 files changed, 1 insertions, 0 deletions
diff --git a/src/prepare.c b/src/prepare.c
index d3e134e76..87569ee91 100644
--- a/src/prepare.c
+++ b/src/prepare.c
@@ -868,6 +868,7 @@ static int sqlite3LockAndPrepare(
   assert( (rc&db->errMask)==rc );
   db->busyHandler.nBusy = 0;
   sqlite3_mutex_leave(db->mutex);
+  assert( rc==SQLITE_OK || (*ppStmt)==0 );
   return rc;
 }