diff --git a/src/p_lnspec.cpp b/src/p_lnspec.cpp
index 4fca74959..2e6acd856 100644
--- a/src/p_lnspec.cpp
+++ b/src/p_lnspec.cpp
@@ -1064,11 +1064,11 @@ FUNC(LS_Teleport_NoFog)
 		break;
 
 	case 2:
-		flags |= TELF_KEEPORIENTATION | TELF_ROTATEBOOM;	// adjust to exit thing like Boom (i.e. with incorrect reversed angle)
+		if (ln != NULL) flags |= TELF_KEEPORIENTATION | TELF_ROTATEBOOM;	// adjust to exit thing like Boom (i.e. with incorrect reversed angle)
 		break;
 
 	case 3:
-		flags |= TELF_KEEPORIENTATION | TELF_ROTATEBOOMINVERSE;	// adjust to exit thing correctly
+		if (ln != NULL) flags |= TELF_KEEPORIENTATION | TELF_ROTATEBOOMINVERSE;	// adjust to exit thing correctly
 		break;
 	}
 
diff --git a/wadsrc/static/xlat/eternity.txt b/wadsrc/static/xlat/eternity.txt
index bca1a6769..bfdac2cec 100644
--- a/wadsrc/static/xlat/eternity.txt
+++ b/wadsrc/static/xlat/eternity.txt
@@ -230,3 +230,4 @@ enum
 443 = 0, Generic_Crusher(0)
 444 = 0, Teleport(0)
 445 = 0, Teleport_NoFog(0)
+446 = 0, Teleport_Line(0)