diff --git a/engine/utils/command_executor.h b/engine/utils/command_executor.h
index 87460e2c1..521928eba 100644
--- a/engine/utils/command_executor.h
+++ b/engine/utils/command_executor.h
@@ -20,7 +20,7 @@ class CommandExecutor {
     if (!pipe) {
       throw std::runtime_error("popen() failed!");
     }
-    m_pipe = std::unique_ptr<FILE, decltype(&PCLOSE)>(pipe, PCLOSE);
+    m_pipe = std::unique_ptr<FILE, int (*)(FILE*)>(pipe, PCLOSE);
   }
 
   CommandExecutor(const CommandExecutor&) = delete;
@@ -45,5 +45,5 @@ class CommandExecutor {
   }
 
  private:
-  std::unique_ptr<FILE, decltype(&PCLOSE)> m_pipe{nullptr, PCLOSE};
+  std::unique_ptr<FILE, int (*)(FILE*)> m_pipe{nullptr, PCLOSE};
 };