diff --git a/Source/objects.cpp b/Source/objects.cpp
index df1c7f3a8..b118002e5 100644
--- a/Source/objects.cpp
+++ b/Source/objects.cpp
@@ -4600,9 +4600,9 @@ void SyncOpL3Door(int pnum, int cmd, int i)
 		do_sync = TRUE;
 	if (do_sync) {
 		if (object[i]._otype == OBJ_L3LDOOR)
-			OperateL2LDoor(-1, i, FALSE);
+			OperateL3LDoor(-1, i, FALSE);
 		if (object[i]._otype == OBJ_L3RDOOR)
-			OperateL2RDoor(-1, i, FALSE);
+			OperateL3RDoor(-1, i, FALSE);
 	}
 }