diff --git a/configure.py b/configure.py
index ed5324f2..693a0f7d 100644
--- a/configure.py
+++ b/configure.py
@@ -1047,7 +1047,7 @@ config.libs = [
             Object(Matching, "nw4r/snd/snd_PlayerHeap.cpp"),
             Object(Matching, "nw4r/snd/snd_RemoteSpeaker.cpp"),
             Object(Matching, "nw4r/snd/snd_RemoteSpeakerManager.cpp"),
-            Object(NonMatching, "nw4r/snd/snd_SeqFile.cpp"),
+            Object(Matching, "nw4r/snd/snd_SeqFile.cpp"),
             Object(NonMatching, "nw4r/snd/snd_SeqPlayer.cpp"),
             Object(NonMatching, "nw4r/snd/snd_SeqSound.cpp"),
             Object(NonMatching, "nw4r/snd/snd_SeqSoundHandle.cpp"),