diff --git a/src/openrct2/core/File.cpp b/src/openrct2/core/File.cpp
index af5753da13..df722e1196 100644
--- a/src/openrct2/core/File.cpp
+++ b/src/openrct2/core/File.cpp
@@ -121,30 +121,7 @@ namespace File
 
     uint64_t GetLastModified(const std::string& path)
     {
-        uint64_t lastModified = 0;
-#ifdef _WIN32
-        auto pathW = String::ToWideChar(path);
-        auto hFile = CreateFileW(pathW.c_str(), GENERIC_READ, FILE_SHARE_READ, nullptr, OPEN_EXISTING, 0, nullptr);
-        if (hFile != INVALID_HANDLE_VALUE)
-        {
-            FILETIME ftCreate, ftAccess, ftWrite;
-            if (GetFileTime(hFile, &ftCreate, &ftAccess, &ftWrite))
-            {
-                lastModified = (static_cast<uint64_t>(ftWrite.dwHighDateTime) << 32ULL)
-                    | static_cast<uint64_t>(ftWrite.dwLowDateTime);
-            }
-            CloseHandle(hFile);
-        }
-#else
-        struct stat statInfo
-        {
-        };
-        if (stat(path.c_str(), &statInfo) == 0)
-        {
-            lastModified = statInfo.st_mtime;
-        }
-#endif
-        return lastModified;
+        return Platform::GetLastModified(path);
     }
 } // namespace File
 
diff --git a/src/openrct2/platform/Platform.Posix.cpp b/src/openrct2/platform/Platform.Posix.cpp
index aee87c5764..61e57976b5 100644
--- a/src/openrct2/platform/Platform.Posix.cpp
+++ b/src/openrct2/platform/Platform.Posix.cpp
@@ -18,6 +18,7 @@
 #    include <cstring>
 #    include <ctime>
 #    include <pwd.h>
+#    include <sys/stat.h>
 
 namespace Platform
 {
@@ -159,6 +160,19 @@ namespace Platform
         return -1;
 #    endif // __EMSCRIPTEN__
     }
+
+    uint64_t GetLastModified(const std::string& path)
+    {
+        uint64_t lastModified = 0;
+        struct stat statInfo
+        {
+        };
+        if (stat(path.c_str(), &statInfo) == 0)
+        {
+            lastModified = statInfo.st_mtime;
+        }
+        return lastModified;
+    }
 } // namespace Platform
 
 #endif
diff --git a/src/openrct2/platform/Platform.Win32.cpp b/src/openrct2/platform/Platform.Win32.cpp
index 08e029887e..1ab0ca0764 100644
--- a/src/openrct2/platform/Platform.Win32.cpp
+++ b/src/openrct2/platform/Platform.Win32.cpp
@@ -535,6 +535,24 @@ namespace Platform
         log_warning("Execute() not implemented for Windows!");
         return -1;
     }
+
+    uint64_t GetLastModified(const std::string& path)
+    {
+        uint64_t lastModified = 0;
+        auto pathW = String::ToWideChar(path);
+        auto hFile = CreateFileW(pathW.c_str(), GENERIC_READ, FILE_SHARE_READ, nullptr, OPEN_EXISTING, 0, nullptr);
+        if (hFile != INVALID_HANDLE_VALUE)
+        {
+            FILETIME ftCreate, ftAccess, ftWrite;
+            if (GetFileTime(hFile, &ftCreate, &ftAccess, &ftWrite))
+            {
+                lastModified = (static_cast<uint64_t>(ftWrite.dwHighDateTime) << 32ULL)
+                    | static_cast<uint64_t>(ftWrite.dwLowDateTime);
+            }
+            CloseHandle(hFile);
+        }
+        return lastModified;
+    }
 } // namespace Platform
 
 #endif
diff --git a/src/openrct2/platform/Platform2.h b/src/openrct2/platform/Platform2.h
index 2c73971df0..c2b8216298 100644
--- a/src/openrct2/platform/Platform2.h
+++ b/src/openrct2/platform/Platform2.h
@@ -35,6 +35,7 @@ namespace Platform
     std::string GetCurrentExecutablePath();
     std::string GetCurrentExecutableDirectory();
     bool FileExists(const std::string path);
+    uint64_t GetLastModified(const std::string& path);
     rct2_time GetTimeLocal();
     rct2_date GetDateLocal();
     bool FindApp(const std::string& app, std::string* output);