diff --git a/media-libs/audiofile/files/audiofile-0.2.6-m4.patch b/media-libs/audiofile/files/audiofile-0.2.6-m4.patch
new file mode 100644
--- /dev/null
+++ b/media-libs/audiofile/files/audiofile-0.2.6-m4.patch
@@ -0,0 +1,9 @@
+Get rid of aclocal warning:
+/usr/share/aclocal/audiofile.m4:12: warning: underquoted definition of AM_PATH_AUDIOFILE
+--- audiofile-0.2.6/audiofile.m4
++++ audiofile-0.2.6/audiofile.m4
+@@ -11,3 +11,3 @@
+ dnl
+-AC_DEFUN(AM_PATH_AUDIOFILE,
++AC_DEFUN([AM_PATH_AUDIOFILE],
+ [dnl