diff --git a/similarity_search/include/method/blkmax_inverted_index.h b/similarity_search/include/method/blkmax_inverted_index.h
index 6f9aaad..bc2ca6b 100644
--- a/similarity_search/include/method/blkmax_inverted_index.h
+++ b/similarity_search/include/method/blkmax_inverted_index.h
@@ -44,7 +44,7 @@ class BlockMaxInvIndex : public WandInvIndex<dist_t> {
 
 
   const string StrDesc() const override {
-    return METH_WAND_INV_INDEX;
+    return METH_BLKMAX_INV_INDEX;
   }
 
  protected: