From ca437630f343f1419650851cf70264b9085c2b43 Mon Sep 17 00:00:00 2001
From: Samuel Kemmler <samuel.kemmler@fau.de>
Date: Mon, 24 Oct 2022 13:41:17 +0200
Subject: [PATCH] Fix string concatenation

---
 apps/showcases/ParticlePacking/ParticlePacking.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apps/showcases/ParticlePacking/ParticlePacking.cpp b/apps/showcases/ParticlePacking/ParticlePacking.cpp
index 7b6f5bca3..be0cd32f5 100644
--- a/apps/showcases/ParticlePacking/ParticlePacking.cpp
+++ b/apps/showcases/ParticlePacking/ParticlePacking.cpp
@@ -1537,7 +1537,7 @@ int main(int argc, char **argv) {
          WALBERLA_ROOT_SECTION()
          {
             std::ofstream file;
-            std::string configFileCopyName = checkPointing_folder + "/" + uniqueFileIdentifier + ".cfg";
+            std::string configFileCopyName = checkPointing_folder + "/" += uniqueFileIdentifier + ".cfg";
             file.open( configFileCopyName.c_str() );
             file << *cfg;
             file.close();
-- 
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