diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8827c367e..fd4990bc2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -31,6 +31,7 @@ list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/CMake/Utils
 # Define the options.
 option(GL "Set to ON if targeting Desktop OpenGL 3.3" ${GL})
 option(GLES "Set to ON if targeting OpenGL ES 3.0" ${GLES})
+option(STEAM_DECK "Set to ON to enable Valve Steam Deck specific build" ${STEAM_DECK})
 option(RPI "Set to ON to enable Raspberry Pi specific build" ${RPI})
 option(BUNDLED_CERTS "Set to ON to use bundled TLS/SSL certificates" ${BUNDLED_CERTS})
 option(CEC "Set to ON to enable CEC" ${CEC})
@@ -279,6 +280,11 @@ if(GLES)
     add_definitions(-DUSE_OPENGLES)
 endif()
 
+if(STEAM_DECK)
+    add_definitions(-DSTEAM_DECK)
+    message("-- Building for the Valve Steam Deck")
+endif()
+
 if(RPI)
     add_definitions(-D_RPI_)
 endif()