diff --git a/src/FileIO/HrvMeasuresCsvImport.cpp b/src/FileIO/HrvMeasuresCsvImport.cpp
index 64749c4a5..3462835de 100644
--- a/src/FileIO/HrvMeasuresCsvImport.cpp
+++ b/src/FileIO/HrvMeasuresCsvImport.cpp
@@ -117,7 +117,8 @@ HrvMeasuresCsvImport::getHrvMeasures(QString &error, QDateTime from, QDateTime t
               if (!m.when.isValid()) {
                   // try 12hr format (HRV4Training for iPhone variant...)
                   m.when = QDateTime::fromString(i.left(19).trimmed(), "yyyy-MM-dd h:mm:ss");
-                  if (i.contains("p", Qt::CaseInsensitive)) m.when.addSecs(12*3600);
+                  if (i.contains("p", Qt::CaseInsensitive))
+                      m.when = m.when.addSecs(12*3600);
               }
               if (m.when.isValid()) {
                   // skip line if not in date range