diff --git a/xwords4/linux/Makefile b/xwords4/linux/Makefile
index d4f25f745..fe0af91a2 100644
--- a/xwords4/linux/Makefile
+++ b/xwords4/linux/Makefile
@@ -110,7 +110,7 @@ DEFINES += -DXWFEATURE_BONUSALL
 DEFINES += -DXWFEATURE_HILITECELL
 # allow change dict inside running game
 DEFINES += -DXWFEATURE_CHANGEDICT
-# DEFINES += -DXWFEATURE_DEVID
+DEFINES += -DXWFEATURE_DEVID
 
 # MAX_ROWS controls STREAM_VERS_BIGBOARD and with it move hashing
 DEFINES += -DMAX_ROWS=32