diff --git a/src/deh_tables.c b/src/deh_tables.c
index 58deb6cb8..e5ffd288d 100644
--- a/src/deh_tables.c
+++ b/src/deh_tables.c
@@ -5209,7 +5209,20 @@ struct int_const_s const INT_CONST[] = {
 	{"TN_NIGHTCOREABLE",TN_NIGHTCOREABLE},
 	{"TN_CHANGEPITCH",TN_CHANGEPITCH},
 	{"TN_LOOPING",TN_LOOPING},
-
+	
+	// t_overlay_action_t
+	{"TOV_UNDEFINED",TOV_UNDEFINED},
+	{"TOV_STILL",TOV_STILL},
+	{"TOV_MOVING",TOV_MOVING},
+	{"TOV__MAX",TOV__MAX},
+	
+	// terrain_flags_t
+	{"TRF_LIQUID",TRF_LIQUID},
+	{"TRF_SNEAKERPANEL",TRF_SNEAKERPANEL},
+	{"TRF_STAIRJANK",TRF_STAIRJANK},
+	{"TRF_TRIPWIRE",TRF_TRIPWIRE},
+	{"TRF_REMAP",TRF_REMAP},
+	
 	{NULL,0}
 };