diff --git a/Cargo.toml b/Cargo.toml
index 05ddbf3..ebbf483 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ members = ["codegen", "examples", "performance_measurement", "performance_measur
 
 [package]
 name = "worktable"
-version = "0.8.4"
+version = "0.8.5"
 edition = "2024"
 authors = ["Handy-caT"]
 license = "MIT"
diff --git a/src/index/unsized_node.rs b/src/index/unsized_node.rs
index c66e89f..6d0c454 100644
--- a/src/index/unsized_node.rs
+++ b/src/index/unsized_node.rs
@@ -194,6 +194,7 @@ where
         if let Some(old) = self.inner.get_mut(idx) {
             let old = std::mem::replace(old, value);
             self.length += value_size;
+            self.removed_length += old.aligned_size();
             return Some(old);
         }
 
diff --git a/tests/persistence/sync/many_strings.rs b/tests/persistence/sync/many_strings.rs
index 393bb80..3ae5e7c 100644
--- a/tests/persistence/sync/many_strings.rs
+++ b/tests/persistence/sync/many_strings.rs
@@ -84,3 +84,73 @@ fn test_space_update_query_pk_sync() {
         }
     });
 }
+
+#[test]
+fn test_space_update_query_pk_many_times_sync() {
+    let config = PersistenceConfig::new(
+        "tests/data/unsized_primary_and_other_sync/update_query_pk_many",
+        "tests/data/unsized_primary_and_other_sync/update_query_pk_many",
+    );
+
+    let runtime = tokio::runtime::Builder::new_multi_thread()
+        .worker_threads(2)
+        .enable_io()
+        .enable_time()
+        .build()
+        .unwrap();
+
+    runtime.block_on(async {
+        remove_dir_if_exists(
+            "tests/data/unsized_primary_and_other_sync/update_query_pk_many".to_string(),
+        )
+        .await;
+
+        let pk = {
+            let table = TestSyncWorkTable::load_from_file(config.clone())
+                .await
+                .unwrap();
+            let row = TestSyncRow {
+                another: 42,
+                field: "".to_string(),
+                id: "Some string before".to_string(),
+            };
+            table.insert(row.clone()).unwrap();
+            let row = TestSyncRow {
+                another: 43,
+                field: "".to_string(),
+                id: "Some string before 2".to_string(),
+            };
+            table.insert(row.clone()).unwrap();
+            table.wait_for_ops().await;
+            row.id
+        };
+        {
+            let table = TestSyncWorkTable::load_from_file(config.clone())
+                .await
+                .unwrap();
+            assert!(table.select(pk.clone()).is_some());
+            assert_eq!(table.select(pk.clone()).unwrap().another, 43);
+            for i in 0..512 {
+                let q = FieldAnotherByIdQuery {
+                    field: "Some field value".to_string(),
+                    another: i,
+                };
+                table
+                    .update_field_another_by_id(q, pk.clone())
+                    .await
+                    .unwrap();
+            }
+
+            table.wait_for_ops().await;
+        }
+        {
+            let table = TestSyncWorkTable::load_from_file(config).await.unwrap();
+            assert!(table.select(pk.clone()).is_some());
+            assert_eq!(table.select(pk.clone()).unwrap().another, 511);
+            assert_eq!(
+                table.select(pk).unwrap().field,
+                "Some field value".to_string()
+            );
+        }
+    });
+}