diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1085d51c92..f3b6140158 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -71,6 +71,7 @@ option(ENABLE_VULKAN "Enables vulkan video backend" ON)
 option(USE_DISCORD_PRESENCE "Enables Discord Rich Presence, show the current game on Discord" ON)
 option(USE_MGBA "Enables GBA controllers emulation using libmgba" ON)
 option(ENABLE_AUTOUPDATE "Enables support for automatic updates" ON)
+option(STEAM "Creates a build for Steam" ON)
 
 # Maintainers: if you consider blanket disabling this for your users, please
 # consider the following points:
@@ -937,6 +938,10 @@ else()
   message(STATUS "libsystemd not found, disabling traversal server watchdog support")
 endif()
 
+if(STEAM)
+  add_definitions(-DSTEAM)
+endif()
+
 if (WIN32)
   include_directories(Externals/WIL/include)
   include_directories(Externals/OpenAL/include)