diff --git a/dcc/dsda.py b/dcc/dsda.py
index 9ad07f5..8fb1e00 100644
--- a/dcc/dsda.py
+++ b/dcc/dsda.py
@@ -21,12 +21,10 @@ class DSDA(dcc.doom_base.WadMap):
             command = [self.dsda]
             if shutil.which("xvfb-run") is not None:
                 command = ["xvfb-run"] + command
-            # TODO: negative tics should seek from the end, but this doesn't
-            # seem to work.
             subprocess.run(
-                command + self.dsda_preamble() + [
-                    "-fastdemo", dip, "-nosound", "-skiptic",
-                    "999999999", "-export_text_file"
+                command + self.dsda_preamble(warp=False) + [
+                    "-fastdemo", dip, "-nosound",
+                    "-skiptic", "-1", "-export_text_file"
                 ]
             )
         editor = "nano"