diff --git a/src/p_setup.c b/src/p_setup.c
index c1b7ae6f2..f6f587e1b 100644
--- a/src/p_setup.c
+++ b/src/p_setup.c
@@ -7194,6 +7194,7 @@ static void P_ConvertBinaryThingTypes(void)
 			mapthings[i].args[0] = mapthings[i].angle;
 			break;
 		case 3441: // MT_DASHRING (TODO: not yet hardcoded)
+		case 3442: // MT_RAINBOWDASHRING (TODO: not yet hardcoded)
 			mapthings[i].args[0] = mapthings[i].options & 13;
 			mapthings[i].args[1] = mapthings[i].extrainfo;
 			break;