diff --git a/table/block_based/block.cc b/table/block_based/block.cc
index 8afa2cccf..ea1934508 100644
--- a/table/block_based/block.cc
+++ b/table/block_based/block.cc
@@ -376,14 +376,14 @@ bool DataBlockIter::SeekForGetImpl(const Slice& target) {
 
 void IndexBlockIter::Seek(const Slice& target) {
   TEST_SYNC_POINT("IndexBlockIter::Seek:0");
-  Slice seek_key = target;
-  if (!key_includes_seq_) {
-    seek_key = ExtractUserKey(target);
-  }
   PERF_TIMER_GUARD(block_seek_nanos);
   if (data_ == nullptr) {  // Not init yet
     return;
   }
+  Slice seek_key = target;
+  if (!key_includes_seq_) {
+    seek_key = ExtractUserKey(target);
+  }
   status_ = Status::OK();
   uint32_t index = 0;
   bool ok = false;