diff --git a/src/arma3-unix-launcher-library/arma3client.cpp b/src/arma3-unix-launcher-library/arma3client.cpp
index 8b262cb..d3c82f5 100644
--- a/src/arma3-unix-launcher-library/arma3client.cpp
+++ b/src/arma3-unix-launcher-library/arma3client.cpp
@@ -105,10 +105,13 @@ namespace ARMA3
 
     std::filesystem::path Client::GetCfgPath()
     {
-        return std::filesystem::path(Definitions::home_directory)
-               / Definitions::local_share_prefix
-               / Definitions::bohemia_interactive_prefix
-               / Definitions::game_config_path;
+        if (IsProton())
+          return GetPath() / Definitions::proton_config_relative_path;
+        else
+          return std::filesystem::path(Definitions::home_directory)
+                 / Definitions::local_share_prefix
+                 / Definitions::bohemia_interactive_prefix
+                 / Definitions::game_config_path;
     }
 
     char Client::GetFakeDriveLetter()
diff --git a/src/arma3-unix-launcher-library/arma3client.hpp b/src/arma3-unix-launcher-library/arma3client.hpp
index 214c23e..e4a0702 100644
--- a/src/arma3-unix-launcher-library/arma3client.hpp
+++ b/src/arma3-unix-launcher-library/arma3client.hpp
@@ -25,6 +25,8 @@ namespace ARMA3::Definitions
     static constexpr char const *bohemia_interactive_prefix = "com.vpltd.Arma3";
     static constexpr char const *game_config_path = "GameDocuments/Arma 3/Arma3.cfg";
     #endif
+
+    static constexpr char const *proton_config_relative_path = "../../compatdata/107410/pfx/drive_c/users/steamuser/My Documents/Arma 3/Arma3.cfg";
 }
 
 namespace ARMA3