diff --git a/Makefile.in b/Makefile.in
index 14e742d98..5ce980823 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -75,7 +75,9 @@ LINTFLAGS=+quiet -weak -warnposix -unrecog -Din_addr_t=uint32_t -Du_int=unsigned
 # compat with openssl linux edition.
 LINTFLAGS+="-DBN_ULONG=unsigned long" -Dkrb5_int32=int "-Dkrb5_ui_4=unsigned int" -DPQ_64BIT=uint64_t -DRC4_INT=unsigned -fixedformalarray
 # compat with NetBSD
-LINTFLAGS+="-D__RENAME(x)="
+ifeq "$(shell uname)" "NetBSD"
+LINTFLAGS+="-D__RENAME(x)=" -D_NETINET_IN_H_
+endif
 # compat with OpenBSD
 LINTFLAGS+="-Dsigset_t=long"