diff --git a/package/libosip2/libosip2.mk b/package/libosip2/libosip2.mk
index 713851b8e1..182fa1812e 100644
--- a/package/libosip2/libosip2.mk
+++ b/package/libosip2/libosip2.mk
@@ -7,5 +7,10 @@
 LIBOSIP2_VERSION = 3.6.0
 LIBOSIP2_SITE = $(BR2_GNU_MIRROR)/osip
 LIBOSIP2_INSTALL_STAGING = YES
+LIBOSIP2_LICENSE = LGPLv2.1+
+LIBOSIP2_LICENSE_FILES = COPYING
+
+LIBOSIP2_CONF_OPT = \
+	--enable-mt=$(if $(BR2_TOOLCHAIN_HAS_THREADS),yes,no)
 
 $(eval $(autotools-package))