diff --git a/CHANGES b/CHANGES
index 6dcf97c57d..af7318745b 100644
--- a/CHANGES
+++ b/CHANGES
@@ -5,7 +5,7 @@
 	Updated/fixed packages: aumix, atk, avahi, bmon, busybox, cairo,
 	cdrkit, dbus-glib, dbus-python, docker, enchant, fltk, gamin,
 	gettext, gmpc, gob2, grep, gstreamer, gst-plugins-bad,
-	gst-plugins-base, gvfs, hal, iconv, icu, libcgicc, libdvdnav,
+	gst-plugins-base, gvfs, hal, iconv, icu, iperf, libcgicc, libdvdnav,
 	libdvdread, libglade, libglib2, libgtk2, libidn, libmms,
 	libmpd, libpcap, libsoup, lmbench, lsof, ltrace, lvm2, make,
 	metacity, mtd-utils, mutt, nbd, netsnmp, ntfsprogs, ntp, olsr,
diff --git a/package/iperf/iperf.mk b/package/iperf/iperf.mk
index 10e5a37838..3f8e3fc8c1 100644
--- a/package/iperf/iperf.mk
+++ b/package/iperf/iperf.mk
@@ -14,7 +14,9 @@ IPERF_INSTALL_STAGING = NO
 IPERF_INSTALL_TARGET = YES
 
 IPERF_CONF_ENV = \
-	ac_cv_func_malloc_0_nonnull=yes
+	ac_cv_func_malloc_0_nonnull=yes \
+	ac_cv_type_bool=yes \
+	ac_cv_sizeof_bool=1
 
 IPERF_CONF_OPT = \
 	--disable-dependency-tracking \