diff --git a/configure.in b/configure.in
index 85b5185..501d1ab 100644
--- a/configure.in
+++ b/configure.in
@@ -59,11 +59,12 @@ AC_CHECK_HEADERS(
 	arpa/inet.h asm/io.h assert.h commctrl.h conio.h ctype.h ddraw.h \
 	dinput.h direct.h dirent.h dlfcn.h dmedia/audio.h dmedia/cdaudio.h \
 	dpmi.h dsound.h errno.h fcntl.h fnmatch.h io.h libc.h limits.h \
-	malloc.h math.h mgraph.h netdb.h netinet/in.h pwd.h setjmp.h \
-	signal.h stdarg.h stdio.h stdlib.h string.h strings.h sys/filio.h \
-	sys/ioctl.h sys/io.h sys/ipc.h sys/mman.h sys/param.h sys/poll.h \
-	sys/shm.h sys/signal.h sys/socket.h sys/stat.h sys/time.h \
-	sys/types.h sys/wait.h time.h unistd.h windows.h winsock.h
+	linux/soundcard.h machine/soundcard.hmalloc.h math.h mgraph.h netdb.h \
+	netinet/in.h pwd.h setjmp.h signal.h stdarg.h stdio.h stdlib.h string.h \
+	strings.h sys/audioio.h sys/filio.h sys/ioctl.h sys/io.h sys/ipc.h \
+	sys/mman.h sys/param.h sys/poll.h sys/shm.h sys/signal.h sys/socket.h \
+	sys/soundcard.h sys/stat.h sys/time.h sys/types.h sys/wait.h time.h \
+	unistd.h windows.h winsock.h
 )