diff --git a/cmake/Options.cmake b/cmake/Options.cmake
index fef4014a28..bfacb0205e 100644
--- a/cmake/Options.cmake
+++ b/cmake/Options.cmake
@@ -9,6 +9,10 @@ function(set_directory_options)
         set(DEFAULT_PERSONAL_DIR "Documents/OpenTTD")
         set(DEFAULT_SHARED_DIR "/Library/Application Support/OpenTTD")
         set(DEFAULT_GLOBAL_DIR "(not set)")
+    elseif(MINGW)
+        set(DEFAULT_PERSONAL_DIR "OpenTTD")
+        set(DEFAULT_SHARED_DIR "(not set)")
+        set(DEFAULT_GLOBAL_DIR "${CMAKE_INSTALL_FULL_DATADIR}/${BINARY_NAME}")
     elseif(WIN32)
         set(DEFAULT_PERSONAL_DIR "OpenTTD")
         set(DEFAULT_SHARED_DIR "(not set)")