diff --git a/gtests/net/packetdrill/Makefile.SunOS b/gtests/net/packetdrill/Makefile.SunOS
index c7c40d94684d6448ba7886e58be4d9851c243d02..2264eb9b94ef40ec453c57ffd1983bc8506760fc 100644
--- a/gtests/net/packetdrill/Makefile.SunOS
+++ b/gtests/net/packetdrill/Makefile.SunOS
@@ -1,3 +1,3 @@
 packetdrill-ext-libs := -lsocket -lnsl -lsctp -lpcap
-CFLAGS += -D_XPG4_2 -D__EXTENSIONS__
+CFLAGS += -D_XPG4_2 -D__EXTENSIONS__ -erroff=E_EMPTY_TRANSLATION_UNIT
 include Makefile.common