diff --git a/src/koalageddon/steamclient.hpp b/src/koalageddon/steamclient.hpp
index 293f641..412f332 100644
--- a/src/koalageddon/steamclient.hpp
+++ b/src/koalageddon/steamclient.hpp
@@ -3,4 +3,5 @@
 namespace koalageddon::steamclient {
 
     void process_client_engine(uintptr_t interface);
+
 }
diff --git a/src/steam_functions/steam_functions.cpp b/src/steam_functions/steam_functions.cpp
index 0a49e63..10c9c06 100644
--- a/src/steam_functions/steam_functions.cpp
+++ b/src/steam_functions/steam_functions.cpp
@@ -196,7 +196,9 @@ namespace steam_functions {
             }
         } else if (version_string.starts_with(CLIENT_ENGINE)) {
             // Koalageddon mode
+#ifndef _WIN64
             koalageddon::steamclient::process_client_engine(reinterpret_cast<uintptr_t>(interface));
+#endif
         } else {
             return;
         }