diff --git a/src/Makefile.am b/src/Makefile.am
index 28049eaa8..83046a6ea 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -601,6 +601,7 @@ pkglib_LTLIBRARIES = \
 libpulsecommon_@PA_MAJORMINOR@_la_SOURCES = \
 		pulse/client-conf.c pulse/client-conf.h \
 		pulse/fork-detect.c pulse/fork-detect.h \
+		pulse/format.c pulse/format.h \
 		pulse/xmalloc.c pulse/xmalloc.h \
 		pulse/proplist.c pulse/proplist.h \
 		pulse/utf8.c pulse/utf8.h \
@@ -676,9 +677,9 @@ else
 libpulsecommon_@PA_MAJORMINOR@_la_SOURCES += pulsecore/poll-posix.c pulsecore/poll.h
 endif
 
-libpulsecommon_@PA_MAJORMINOR@_la_CFLAGS = $(AM_CFLAGS) $(LIBSNDFILE_CFLAGS)
+libpulsecommon_@PA_MAJORMINOR@_la_CFLAGS = $(AM_CFLAGS) $(LIBJSON_CFLAGS) $(LIBSNDFILE_CFLAGS)
 libpulsecommon_@PA_MAJORMINOR@_la_LDFLAGS = $(AM_LDFLAGS) -avoid-version
-libpulsecommon_@PA_MAJORMINOR@_la_LIBADD = $(AM_LIBADD) $(LIBWRAP_LIBS) $(WINSOCK_LIBS) $(LTLIBICONV) $(LIBSNDFILE_LIBS)
+libpulsecommon_@PA_MAJORMINOR@_la_LIBADD = $(AM_LIBADD) $(LIBJSON_LIBS)  $(LIBWRAP_LIBS) $(WINSOCK_LIBS) $(LTLIBICONV) $(LIBSNDFILE_LIBS)
 
 if HAVE_X11
 libpulsecommon_@PA_MAJORMINOR@_la_SOURCES += \