diff --git a/package/linphone/linphone.mk b/package/linphone/linphone.mk
index 91830aebc9..5e960a0cf9 100644
--- a/package/linphone/linphone.mk
+++ b/package/linphone/linphone.mk
@@ -17,6 +17,11 @@ LINPHONE_DEPENDENCIES = host-pkgconf ortp mediastreamer libeXosip2 speex
 LINPHONE_LICENSE = GPLv2+
 LINPHONE_LICENSE_FILES = COPYING
 
+ifeq ($(BR2_arc),y)
+# toolchain __arc__ define conflicts with libosip2 source
+LINPHONE_CONF_ENV += CFLAGS="$(TARGET_CFLAGS) -U__arc__"
+endif
+
 ifeq ($(BR2_PACKAGE_LIBGTK2)$(BR2_PACKAGE_XORG7),yy)
 LINPHONE_CONF_OPT += --enable-gtk_ui
 LINPHONE_DEPENDENCIES += libgtk2