diff --git a/configure.py b/configure.py
index c33bff03..9114b028 100644
--- a/configure.py
+++ b/configure.py
@@ -761,7 +761,7 @@ config.libs = [
             Object(NonMatching, "jaudio_NES/internal/audioconst.c"),
             Object(NonMatching, "jaudio_NES/internal/audiotable.c"),
             Object(NonMatching, "jaudio_NES/internal/audiowork.c"),
-            Object(NonMatching, "jaudio_NES/internal/bankdrv.c", extra_cflags=["-proc 7400"]),
+            Object(Matching, "jaudio_NES/internal/bankdrv.c", extra_cflags=["-proc 7400"]),
             Object(Matching, "jaudio_NES/internal/bankread.c"),
             Object(NonMatching, "jaudio_NES/internal/centcalc.c"),
             Object(NonMatching, "jaudio_NES/internal/channel.c"),
@@ -782,7 +782,7 @@ config.libs = [
             Object(NonMatching, "jaudio_NES/internal/jammain_2.c", extra_cflags=["-sym on"]),
             Object(NonMatching, "jaudio_NES/internal/jamosc.c"),
             Object(NonMatching, "jaudio_NES/internal/memory.c"),
-            Object(NonMatching, "jaudio_NES/internal/midplay.c"),
+            Object(Matching, "jaudio_NES/internal/midplay.c"),
             Object(NonMatching, "jaudio_NES/internal/noteon.c"),
             Object(NonMatching, "jaudio_NES/internal/oneshot.c"),
             Object(NonMatching, "jaudio_NES/internal/rate.c"),