diff --git a/src/openrct2-ui/windows/LoadSave.cpp b/src/openrct2-ui/windows/LoadSave.cpp
index 6083193142..4aa65c10b8 100644
--- a/src/openrct2-ui/windows/LoadSave.cpp
+++ b/src/openrct2-ui/windows/LoadSave.cpp
@@ -1037,7 +1037,7 @@ static void window_loadsave_select(rct_window* w, const char* path)
 
         case (LOADSAVETYPE_SAVE | LOADSAVETYPE_LANDSCAPE):
             save_path(&gConfigGeneral.last_save_landscape_directory, pathBuffer);
-            safe_strcpy(gScenarioFileName, pathBuffer, sizeof(gScenarioFileName));
+            gScenarioFileName = std::string(String::ToStringView(pathBuffer, std::size(pathBuffer)));
             if (scenario_save(pathBuffer, gConfigGeneral.save_plugin_data ? 3 : 2))
             {
                 gCurrentLoadedPath = pathBuffer;
@@ -1058,7 +1058,7 @@ static void window_loadsave_select(rct_window* w, const char* path)
             int32_t parkFlagsBackup = gParkFlags;
             gParkFlags &= ~PARK_FLAGS_SPRITES_INITIALISED;
             gEditorStep = EditorStep::Invalid;
-            safe_strcpy(gScenarioFileName, pathBuffer, sizeof(gScenarioFileName));
+            gScenarioFileName = std::string(String::ToStringView(pathBuffer, std::size(pathBuffer)));
             int32_t success = scenario_save(pathBuffer, gConfigGeneral.save_plugin_data ? 3 : 2);
             gParkFlags = parkFlagsBackup;
 
diff --git a/src/openrct2/ParkFile.cpp b/src/openrct2/ParkFile.cpp
index a2dff71a45..d1ebc969c3 100644
--- a/src/openrct2/ParkFile.cpp
+++ b/src/openrct2/ParkFile.cpp
@@ -304,7 +304,7 @@ namespace OpenRCT2
 
         void ReadWriteScenarioChunk(OrcaStream& os)
         {
-            os.ReadWriteChunk(ParkFileChunkType::SCENARIO, [](OrcaStream::ChunkStream& cs) {
+            os.ReadWriteChunk(ParkFileChunkType::SCENARIO, [&os](OrcaStream::ChunkStream& cs) {
                 cs.ReadWrite(gScenarioCategory);
                 ReadWriteStringTable(cs, gScenarioName, "en-GB");
 
@@ -343,6 +343,11 @@ namespace OpenRCT2
                 {
                     cs.Write(AllowEarlyCompletion());
                 }
+
+                if (os.GetHeader().TargetVersion >= 1)
+                {
+                    cs.ReadWrite(gScenarioFileName);
+                }
             });
         }
 
diff --git a/src/openrct2/rct1/S4Importer.cpp b/src/openrct2/rct1/S4Importer.cpp
index a442c1697f..4714db2b2c 100644
--- a/src/openrct2/rct1/S4Importer.cpp
+++ b/src/openrct2/rct1/S4Importer.cpp
@@ -348,7 +348,7 @@ private:
 
         uint16_t mapSize = _s4.map_size == 0 ? RCT1_MAX_MAP_SIZE : _s4.map_size;
 
-        String::Set(gScenarioFileName, sizeof(gScenarioFileName), GetRCT1ScenarioName().c_str());
+        gScenarioFileName = GetRCT1ScenarioName();
 
         // Do map initialisation, same kind of stuff done when loading scenario editor
         auto context = OpenRCT2::GetContext();
diff --git a/src/openrct2/rct2/S6Importer.cpp b/src/openrct2/rct2/S6Importer.cpp
index 7690ef85fe..a5a5b59f73 100644
--- a/src/openrct2/rct2/S6Importer.cpp
+++ b/src/openrct2/rct2/S6Importer.cpp
@@ -380,12 +380,12 @@ public:
         if (_s6.header.type == S6_TYPE_SCENARIO)
         {
             // _s6.scenario_filename is wrong for some RCT2 expansion scenarios, so we use the real filename
-            String::Set(gScenarioFileName, sizeof(gScenarioFileName), Path::GetFileName(_s6Path));
+            gScenarioFileName = String::ToStd(Path::GetFileName(_s6Path));
         }
         else
         {
             // For savegames the filename can be arbitrary, so we have no choice but to rely on the name provided
-            String::Set(gScenarioFileName, sizeof(gScenarioFileName), _s6.scenario_filename);
+            gScenarioFileName = std::string(String::ToStringView(_s6.scenario_filename, std::size(_s6.scenario_filename)));
         }
         gCurrentRealTimeTicks = 0;
 
diff --git a/src/openrct2/scenario/Scenario.cpp b/src/openrct2/scenario/Scenario.cpp
index 92e259dd6d..921154c53b 100644
--- a/src/openrct2/scenario/Scenario.cpp
+++ b/src/openrct2/scenario/Scenario.cpp
@@ -77,7 +77,7 @@ uint16_t gScenarioParkRatingWarningDays;
 money64 gScenarioCompletedCompanyValue;
 money64 gScenarioCompanyValueRecord;
 
-char gScenarioFileName[MAX_PATH];
+std::string gScenarioFileName;
 
 static void scenario_objective_check();
 
@@ -206,7 +206,7 @@ void scenario_success()
     gScenarioCompletedCompanyValue = companyValue;
     peep_applause();
 
-    if (scenario_repository_try_record_highscore(gScenarioFileName, companyValue, nullptr))
+    if (scenario_repository_try_record_highscore(gScenarioFileName.c_str(), companyValue, nullptr))
     {
         // Allow name entry
         gParkFlags |= PARK_FLAGS_SCENARIO_COMPLETE_NAME_INPUT;
@@ -221,7 +221,7 @@ void scenario_success()
  */
 void scenario_success_submit_name(const char* name)
 {
-    if (scenario_repository_try_record_highscore(gScenarioFileName, gScenarioCompanyValueRecord, name))
+    if (scenario_repository_try_record_highscore(gScenarioFileName.c_str(), gScenarioCompanyValueRecord, name))
     {
         gScenarioCompletedBy = name;
     }
diff --git a/src/openrct2/scenario/Scenario.h b/src/openrct2/scenario/Scenario.h
index 7e00f2ed06..937c3bc486 100644
--- a/src/openrct2/scenario/Scenario.h
+++ b/src/openrct2/scenario/Scenario.h
@@ -444,7 +444,7 @@ extern bool gFirstTimeSaving;
 extern uint16_t gSavedAge;
 extern uint32_t gLastAutoSaveUpdate;
 
-extern char gScenarioFileName[260];
+extern std::string gScenarioFileName;
 
 void load_from_sc6(const char* path);
 void scenario_begin();
diff --git a/src/openrct2/scripting/ScScenario.hpp b/src/openrct2/scripting/ScScenario.hpp
index 4d47ea3403..12a6aabcac 100644
--- a/src/openrct2/scripting/ScScenario.hpp
+++ b/src/openrct2/scripting/ScScenario.hpp
@@ -224,7 +224,7 @@ namespace OpenRCT2::Scripting
         void filename_set(const std::string& value)
         {
             ThrowIfGameStateNotMutable();
-            String::Set(gScenarioFileName, std::size(gScenarioFileName), value.c_str());
+            gScenarioFileName = value;
         }
 
         std::shared_ptr<ScScenarioObjective> objective_get() const