diff -ur a-pulseaudio-3.0/configure.ac pulseaudio-3.0/configure.ac
--- a/pulseaudio-3.0/configure.ac	2012-12-17 09:59:51.000000000 +0100
+++ b/pulseaudio-3.0/configure.ac	2013-04-26 19:34:25.905830112 +0200
@@ -628,7 +628,7 @@
 
 #### json parsing ####
 
-PKG_CHECK_MODULES(LIBJSON, [ json >= 0.9 ])
+PKG_CHECK_MODULES(LIBJSON, [ json-c >= 0.9 ])
 AC_SUBST(LIBJSON_CFLAGS)
 AC_SUBST(LIBJSON_LIBS)