diff --git a/game/client/cdll_client_int.cpp b/game/client/cdll_client_int.cpp
index 702639e2..a9f90699 100644
--- a/game/client/cdll_client_int.cpp
+++ b/game/client/cdll_client_int.cpp
@@ -355,7 +355,7 @@ static ConVar *g_pcv_ThreadMode = NULL;
 
 // GAMEPADUI TODO - put this somewhere better. (Madi)
 #if defined( GAMEPADUI )
-const bool IsSteamDeck()
+bool IsSteamDeck()
 {
 	if ( CommandLine()->FindParm( "-gamepadui" ) )
 		return true;