From 2212352f25b74713b9c42b835132a7f4f7a7206a Mon Sep 17 00:00:00 2001
From: David Rohr <drohr@jwdt.org>
Date: Mon, 12 Oct 2026 09:01:45 +0200
Subject: [PATCH] Fix missing include

---
 Common/DCAFitter/GPU/cuda/DCAFitterN.cu | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Common/DCAFitter/GPU/cuda/DCAFitterN.cu b/Common/DCAFitter/GPU/cuda/DCAFitterN.cu
index ed7e8acba5397..10ac99e1cc01f 100644
--- a/Common/DCAFitter/GPU/cuda/DCAFitterN.cu
+++ b/Common/DCAFitter/GPU/cuda/DCAFitterN.cu
@@ -16,6 +16,7 @@
 #endif
 
 #include <numeric>
+#include <iostream>
 
 #include "GPUCommonDef.h"
 #include "DCAFitter/DCAFitterN.h"