diff --git a/ets2panda/ir/statements/blockStatement.cpp b/ets2panda/ir/statements/blockStatement.cpp
index 14c6f80c70edcb743a0906a8d2134248ca0ad0f4..0f0b7d01a36a7cebccda9f70599564a8e8b42468 100644
--- a/ets2panda/ir/statements/blockStatement.cpp
+++ b/ets2panda/ir/statements/blockStatement.cpp
@@ -34,6 +34,20 @@ void BlockStatement::TransformChildren(const NodeTransformer &cb, std::string_vi
     }
 }
 
+AstNode *BlockStatement::Clone(ArenaAllocator *const allocator, AstNode *const parent)
+{
+    ArenaVector<Statement *> statements(allocator->Adapter());
+
+    for (auto *statement : this->statements_) {
+        statements.push_back(statement->Clone(allocator, parent)->AsStatement());
+    }
+
+    auto retVal = util::NodeAllocator::ForceSetParent<ir::BlockStatement>(allocator, allocator, std::move(statements));
+    retVal->SetParent(parent);
+
+    return retVal;
+}
+
 void BlockStatement::Iterate(const NodeTraverser &cb) const
 {
     // This will survive pushing element to the back of statements_ in the process
diff --git a/ets2panda/ir/statements/blockStatement.h b/ets2panda/ir/statements/blockStatement.h
index 04fe521c868a6ac7a88b56cbff006414eef8a3af..94627554c0c95e6c776526507f929da5b4a67854 100644
--- a/ets2panda/ir/statements/blockStatement.h
+++ b/ets2panda/ir/statements/blockStatement.h
@@ -72,6 +72,8 @@ public:
 
     void TransformChildren(const NodeTransformer &cb, std::string_view transformationName) override;
 
+    AstNode *Clone(ArenaAllocator *const allocator, AstNode *const parent) override;
+
     void Iterate(const NodeTraverser &cb) const override;
     void Dump(ir::AstDumper *dumper) const override;
     void Dump(ir::SrcDumper *dumper) const override;
diff --git a/ets2panda/test/runtime/ets/17926.ets b/ets2panda/test/runtime/ets/17926.ets
new file mode 100644
index 0000000000000000000000000000000000000000..4e55c289cbf682153ff1ff2043e237dcc2c0139b
--- /dev/null
+++ b/ets2panda/test/runtime/ets/17926.ets
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2024 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+function foo(...args: Object[]): void {
+  let fnc : () => void = args[0] as () => void
+  fnc()
+}
+
+let global = 0
+
+let l1 = () : void => { global += 1 }
+foo(l1)
+assert(global == 1)
+foo(() : void => { global += 2 })
+assert(global == 3)
+
+function main() {
+}