1 files changed, 4 insertions, 4 deletions
diff --git a/Source/Diagnostics/WarpXOpenPMD.cpp b/Source/Diagnostics/WarpXOpenPMD.cpp
index 2a1a18bd1..d1c45abda 100644
--- a/Source/Diagnostics/WarpXOpenPMD.cpp
+++ b/Source/Diagnostics/WarpXOpenPMD.cpp
@@ -397,10 +397,10 @@ void WarpXOpenPMDPlot::SetStep (int ts, const std::string& dirPrefix, int file_m
         if (m_CurrentStep >= ts) {
             // note m_Series is reset in Init(), so using m_Series->iterations.contains(ts) is only able to check the
             // last written step in m_Series's life time, but not other earlier written steps by other m_Series
-            std::string warnMsg =
-                    " Warning from openPMD writer: Already written iteration:" + std::to_string(ts);
-            std::cout << warnMsg << std::endl;
-            amrex::Warning(warnMsg);
+            WarpX::GetInstance().RecordWarning("Diagnostics",
+                    " Warning from openPMD writer: Already written iteration:"
+                    + std::to_string(ts)
+                );
         }
     }