diff --git a/configure.py b/configure.py
index 8a5611e2..dd0f6cb2 100644
--- a/configure.py
+++ b/configure.py
@@ -1325,7 +1325,7 @@ config.libs = [
         "mpexDll",
         objects={
             Object(Matching, "REL/mpexDll/main.c"),
-            Object(NonMatching, "REL/mpexDll/mpex.c"),
+            Object(Matching, "REL/mpexDll/mpex.c"),
             Object(Matching, "REL/mpexDll/charsel.c"),
             Object(Matching, "REL/mpexDll/mgname.c"),
         },
diff --git a/src/REL/mpexDll/mpex.c b/src/REL/mpexDll/mpex.c
index 7067c1c6..5931ebd8 100644
--- a/src/REL/mpexDll/mpex.c
+++ b/src/REL/mpexDll/mpex.c
@@ -1,5 +1,4 @@
 #include "ext_math.h"
-#include "game/audio.h"
 #include "game/board/main.h"
 #include "game/chrman.h"
 #include "game/esprite.h"