diff --git a/scripts/test.sh b/scripts/test.sh
index f89b28f8c..d8a4ec529 100755
--- a/scripts/test.sh
+++ b/scripts/test.sh
@@ -96,6 +96,8 @@ win*)
 	esac
 	;;
 osx)
+	# this causes a false positive in ip-packet.c since Xcode 8.3
+	CFLAGS="$CFLAGS -Wno-address-of-packed-member"
 	# use the same options as in the Homebrew Formula
 	CONFIG="--disable-defaults --enable-charon --enable-cmd --enable-constraints
 			--enable-curl --enable-eap-gtc --enable-eap-identity