diff --git a/src/openrct2-cli/Cli.cpp b/src/openrct2-cli/Cli.cpp
index 672bb47f87..fbbd0e8028 100644
--- a/src/openrct2-cli/Cli.cpp
+++ b/src/openrct2-cli/Cli.cpp
@@ -24,10 +24,10 @@ using namespace OpenRCT2;
 /**
 * Main entry point for non-Windows sytems. Windows instead uses its own DLL proxy.
 */
-int main(int argc, char * * argv)
+int main(int argc, const char * * argv)
 {
     core_init();
-    int runGame = cmdline_run((const char * *)argv, argc);
+    int runGame = cmdline_run(argv, argc);
     if (runGame == 1)
     {
         gOpenRCT2Headless = true;
diff --git a/src/openrct2-dll/openrct2-dll.cpp b/src/openrct2-dll/openrct2-dll.cpp
index e5122dd03e..df97b86a42 100644
--- a/src/openrct2-dll/openrct2-dll.cpp
+++ b/src/openrct2-dll/openrct2-dll.cpp
@@ -50,7 +50,7 @@ DLLEXPORT int LaunchOpenRCT2(int argc, wchar_t * * argvW)
         return -1;
     }
 
-    int exitCode = NormalisedMain(argc, argv);
+    int exitCode = NormalisedMain(argc, const_cast<const char * *>(argv));
 
     FreeCommandLineArgs(argc, argv);
     return exitCode;
diff --git a/src/openrct2-ui/Ui.cpp b/src/openrct2-ui/Ui.cpp
index f9c00db3a8..0c31fcb529 100644
--- a/src/openrct2-ui/Ui.cpp
+++ b/src/openrct2-ui/Ui.cpp
@@ -33,9 +33,9 @@ using namespace OpenRCT2::Ui;
  * Main entry point for non-Windows sytems. Windows instead uses its own DLL proxy.
  */
 #ifdef _MSC_VER
-int NormalisedMain(int argc, char * * argv)
+int NormalisedMain(int argc, const char * * argv)
 #else
-int main(int argc, char * * argv)
+int main(int argc, const char * * argv)
 #endif
 {
     core_init();
diff --git a/src/openrct2-ui/Ui.h b/src/openrct2-ui/Ui.h
index a4ecd9f9c7..de7d02103d 100644
--- a/src/openrct2-ui/Ui.h
+++ b/src/openrct2-ui/Ui.h
@@ -15,5 +15,5 @@
 #pragma endregion
 
 #ifdef _MSC_VER
-    int NormalisedMain(int argc, char * * argv);
+    int NormalisedMain(int argc, const char * * argv);
 #endif
diff --git a/src/openrct2/Context.cpp b/src/openrct2/Context.cpp
index 30bec5c0cc..acc148ac30 100644
--- a/src/openrct2/Context.cpp
+++ b/src/openrct2/Context.cpp
@@ -150,7 +150,7 @@ namespace OpenRCT2
             return _uiContext;
         }
 
-        sint32 RunOpenRCT2(int argc, char * * argv) override
+        sint32 RunOpenRCT2(int argc, const char * * argv) override
         {
             if (Initialise())
             {
diff --git a/src/openrct2/Context.h b/src/openrct2/Context.h
index 61b7ebde8a..f0fc9a122b 100644
--- a/src/openrct2/Context.h
+++ b/src/openrct2/Context.h
@@ -84,7 +84,7 @@ namespace OpenRCT2
         virtual Audio::IAudioContext *  GetAudioContext() abstract;
         virtual Ui::IUiContext *        GetUiContext() abstract;
 
-        virtual sint32 RunOpenRCT2(int argc, char * * argv) abstract;
+        virtual sint32 RunOpenRCT2(int argc, const char * * argv) abstract;
 
         virtual bool Initialise() abstract;
         virtual bool LoadParkFromFile(const std::string &path, bool loadTitleScreenOnFail = false) abstract;