diff --git a/desktop_version/src/FileSystemUtils.cpp b/desktop_version/src/FileSystemUtils.cpp
index 6cdfeb9d..44ecda74 100644
--- a/desktop_version/src/FileSystemUtils.cpp
+++ b/desktop_version/src/FileSystemUtils.cpp
@@ -484,7 +484,7 @@ bool FILESYSTEM_openDirectory(const char *dname)
 #elif defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__HAIKU__)
 bool FILESYSTEM_openDirectoryEnabled()
 {
-	return true;
+	return std::getenv("SteamTenfoot") == NULL;
 }
  #ifdef __linux__
 const char* open_cmd = "xdg-open";
diff --git a/desktop_version/src/Input.cpp b/desktop_version/src/Input.cpp
index 6d6f1816..39c00b8e 100644
--- a/desktop_version/src/Input.cpp
+++ b/desktop_version/src/Input.cpp
@@ -287,7 +287,8 @@ void menuactionpress()
  #endif
         case OFFSET+2:
             //"OPENFOLDERHOOK"
-            if (FILESYSTEM_openDirectory(FILESYSTEM_getUserLevelDirectory()))
+            if (FILESYSTEM_openDirectoryEnabled()
+            && FILESYSTEM_openDirectory(FILESYSTEM_getUserLevelDirectory()))
             {
                 music.playef(11);
                 SDL_MinimizeWindow(graphics.screenbuffer->m_window);