diff --git a/meta-oe/recipes-support/nspr/nspr_4.29.bb b/meta-oe/recipes-support/nspr/nspr_4.29.bb
index f224bcd34..2717f37bc 100644
--- a/meta-oe/recipes-support/nspr/nspr_4.29.bb
+++ b/meta-oe/recipes-support/nspr/nspr_4.29.bb
@@ -160,6 +160,8 @@ PACKAGECONFIG[ipv6] = "--enable-ipv6,--disable-ipv6,"
 # preferred path upstream.
 EXTRA_OECONF += "--includedir=${includedir}/nspr"
 
+EXTRA_OEMAKE:append:class-native = " EXTRA_LIBS='-lpthread -lrt'"
+
 do_compile:prepend() {
 	oe_runmake CROSS_COMPILE=1 CFLAGS="-DXP_UNIX ${BUILD_CFLAGS}" LDFLAGS="" CC="${BUILD_CC}" -C config export
 }