diff --git a/lib/wzmaplib/include/wzmaplib/map_package.h b/lib/wzmaplib/include/wzmaplib/map_package.h
index 94292580d74..78f9ddc11f7 100644
--- a/lib/wzmaplib/include/wzmaplib/map_package.h
+++ b/lib/wzmaplib/include/wzmaplib/map_package.h
@@ -130,6 +130,9 @@ class MapPackage
 	// Obtain the LevelDetails
 	const LevelDetails& levelDetails() const;
 
+	// Update the LevelDetails
+	void updateLevelDetails(const LevelDetails& newLevelDetails);
+
 	// Get the loaded level details format
 	// Note: Returns a value only if the MapPackage was loaded (i.e. via loadPackage)
 	optional<LevelFormat> loadedLevelDetailsFormat() const;
diff --git a/lib/wzmaplib/src/map_package.cpp b/lib/wzmaplib/src/map_package.cpp
index 898d87bea8d..1e1f415983d 100644
--- a/lib/wzmaplib/src/map_package.cpp
+++ b/lib/wzmaplib/src/map_package.cpp
@@ -1548,6 +1548,11 @@ const LevelDetails& MapPackage::levelDetails() const
 	return m_levelDetails;
 }
 
+void MapPackage::updateLevelDetails(const LevelDetails& newLevelDetails)
+{
+	m_levelDetails = newLevelDetails;
+}
+
 // Get the loaded level details format
 // Note: Returns a value only if the MapPackage was loaded (i.e. via loadPackage)
 optional<LevelFormat> MapPackage::loadedLevelDetailsFormat() const