diff --git a/olp-cpp-sdk-core/include/olp/core/client/CancellationToken.h b/olp-cpp-sdk-core/include/olp/core/client/CancellationToken.h
index e7ffb39c3..348070bf7 100644
--- a/olp-cpp-sdk-core/include/olp/core/client/CancellationToken.h
+++ b/olp-cpp-sdk-core/include/olp/core/client/CancellationToken.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2019-2021 HERE Europe B.V.
+ * Copyright (C) 2019-2026 HERE Europe B.V.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -51,7 +51,7 @@ class CORE_API CancellationToken {
   void Cancel() const;
 
  private:
-  CancelFuncType func_;
+  mutable CancelFuncType func_;
 };
 
 }  // namespace client
diff --git a/olp-cpp-sdk-core/src/client/CancellationToken.cpp b/olp-cpp-sdk-core/src/client/CancellationToken.cpp
index 5afb3bce6..912da49cc 100644
--- a/olp-cpp-sdk-core/src/client/CancellationToken.cpp
+++ b/olp-cpp-sdk-core/src/client/CancellationToken.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2019-2021 HERE Europe B.V.
+ * Copyright (C) 2019-2026 HERE Europe B.V.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -26,8 +26,10 @@ CancellationToken::CancellationToken(CancelFuncType func)
     : func_(std::move(func)) {}
 
 void CancellationToken::Cancel() const {
-  if (func_) {
-    func_();
+  CancelFuncType func;
+  std::swap(func_, func);
+  if (func) {
+    func();
   }
 }