diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0dcfe1578ec..e5550750d72 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@
 
 ### Fixed
 * <How do the end-user experience this issue? what was the impact?> ([#????](https://github.com/realm/realm-core/issues/????), since v?.?.?)
-* None.
+* Crash when querying the size of a Object property through a link chain ([#6915](https://github.com/realm/realm-core/issues/6915), since v13.17.2)
 
 ### Breaking changes
 * None.
diff --git a/src/realm/query_expression.cpp b/src/realm/query_expression.cpp
index 1ce57573351..736a609ed3a 100644
--- a/src/realm/query_expression.cpp
+++ b/src/realm/query_expression.cpp
@@ -519,11 +519,16 @@ void LinkCount::evaluate(size_t index, ValueBase& destination)
                 const Obj obj = m_link_map.get_target_table()->get_object(links[i]);
                 auto val = obj._get<int64_t>(m_column_key.get_index());
                 size_t s;
-                if (val & 1) {
+                if (m_column_key.get_type() == col_type_Link && !m_column_key.is_collection()) {
+                    // It is a single link column
+                    s = (val == 0) ? 0 : 1;
+                }
+                else if (val & 1) {
                     // It is a backlink column with just one value
                     s = 1;
                 }
                 else {
+                    // This is some kind of collection or backlink column
                     s = _impl::get_collection_size_from_ref(to_ref(val), alloc);
                 }
                 destination.set(i, int64_t(s));
diff --git a/test/test_query.cpp b/test/test_query.cpp
index 3a109ecc137..e4402ec6578 100644
--- a/test/test_query.cpp
+++ b/test/test_query.cpp
@@ -5640,6 +5640,7 @@ TEST(Query_NestedLinkCount)
     table->add_column_list(*table, "children");
     table->add_column_dictionary(*table, "dictionary");
     table->add_column_list(*table, "list");
+    table->add_column(*table, "Object");
 
     Obj o1 = table->create_object_with_primary_key(1);
     Obj o2 = table->create_object_with_primary_key(2);
@@ -5650,6 +5651,10 @@ TEST(Query_NestedLinkCount)
     dict.insert("key", o3);
     o3.get_linklist("children").add(o2.get_key());
 
+    o1.set("Object", o1.get_key());
+    o2.set("Object", o2.get_key());
+    o3.set("Object", o2.get_key());
+
     auto q = table->query("children.list.@size == 0");
     CHECK_EQUAL(q.count(), 2);
 
@@ -5676,7 +5681,13 @@ TEST(Query_NestedLinkCount)
     dict.insert("key4", o3);
     q = table->query("@links.TestClass.children.dictionary.@size == 5");
     CHECK_EQUAL(q.count(), 1); // Only o2
-}
 
+    q = table->query("@links.TestClass.Object.@size > 0");
+    CHECK_EQUAL(q.count(), 2);
+    q = table->query("@links.TestClass.Object.Object.@size > 0");
+    CHECK_EQUAL(q.count(), 2);
+    q = table->query("Object.@links.TestClass.Object.@size > 0");
+    CHECK_EQUAL(q.count(), 3);
+}
 
 #endif // TEST_QUERY