diff --git a/db/c.cc b/db/c.cc
index b02c7bc4bd1..704b7f0bad3 100644
--- a/db/c.cc
+++ b/db/c.cc
@@ -3186,6 +3186,11 @@ void rocksdb_block_based_options_set_unpartitioned_pinning_tier(
       static_cast<ROCKSDB_NAMESPACE::PinningTier>(v);
 }
 
+void rocksdb_block_based_options_set_block_align(
+    rocksdb_block_based_table_options_t* options, unsigned char v) {
+  options->rep.block_align = v;
+}
+
 /* FlushJobInfo */
 
 const char* rocksdb_flushjobinfo_cf_name(const rocksdb_flushjobinfo_t* info,
diff --git a/include/rocksdb/c.h b/include/rocksdb/c.h
index ce9e5229c82..a88fac81779 100644
--- a/include/rocksdb/c.h
+++ b/include/rocksdb/c.h
@@ -1200,6 +1200,8 @@ rocksdb_block_based_options_set_partition_pinning_tier(
 extern ROCKSDB_LIBRARY_API void
 rocksdb_block_based_options_set_unpartitioned_pinning_tier(
     rocksdb_block_based_table_options_t*, int);
+extern ROCKSDB_LIBRARY_API void rocksdb_block_based_options_set_block_align(
+    rocksdb_block_based_table_options_t*, unsigned char);
 extern ROCKSDB_LIBRARY_API void rocksdb_options_set_write_buffer_manager(
     rocksdb_options_t* opt, rocksdb_write_buffer_manager_t* wbm);
 extern ROCKSDB_LIBRARY_API void rocksdb_options_set_sst_file_manager(