diff --git a/CHANGELOG.md b/CHANGELOG.md
index c4b6aa00..bcb2a256 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ and this project somewhat adheres to [Semantic Versioning](https://semver.org/sp
 - The scale of the map can now be changed while resizing the map.
 
 ### Fixed
+- Fix duplicated maps writing the wrong name.
 - Fix small maps being difficult to see while resizing.
 
 ## [6.0.0] - 2025-05-26
diff --git a/src/project.cpp b/src/project.cpp
index eddb07a2..07ffef37 100644
--- a/src/project.cpp
+++ b/src/project.cpp
@@ -405,6 +405,10 @@ bool Project::loadMapData(Map* map) {
     }
 
     QJsonObject mapObj = mapDoc.object();
+    QString name = ParseUtil::jsonToQString(mapObj.take("name"));
+    if (name != map->name()) {
+        logWarn(QString("Mismatched name '%1' for map '%2' will be overwritten.").arg(name).arg(map->name()));
+    }
 
     // We should already know the map constant ID from the initial project launch, but we'll ensure it's correct here anyway.
     map->setConstantName(ParseUtil::jsonToQString(mapObj.take("id")));