diff --git a/lib/autoscan/autoscan.list b/lib/autoscan/autoscan.list
index 5f700216..4ceafc3a 100644
--- a/lib/autoscan/autoscan.list
+++ b/lib/autoscan/autoscan.list
@@ -196,6 +196,7 @@ header: netinet/in.h		AC_CHECK_HEADERS
 header: nl_types.h		AC_CHECK_HEADERS
 header: nlist.h		AC_CHECK_HEADERS
 header: paths.h		AC_CHECK_HEADERS
+header: resolv.h		AC_HEADER_RESOLV
 header: sgtty.h		AC_CHECK_HEADERS
 header: shadow.h		AC_CHECK_HEADERS
 header: stdarg.h		AC_HEADER_STDC
diff --git a/tests/acheaders.at b/tests/acheaders.at
index a80590b7..7abab3ea 100644
--- a/tests/acheaders.at
+++ b/tests/acheaders.at
@@ -10,6 +10,7 @@ AT_BANNER([Testing autoconf/headers macros.])
 
 # Modern macros.
 AT_CHECK_MACRO([AC_HEADER_MAJOR])
+AT_CHECK_MACRO([AC_HEADER_RESOLV])
 AT_CHECK_MACRO([AC_HEADER_STAT])
 AT_CHECK_MACRO([AC_HEADER_STDBOOL])
 AT_CHECK_MACRO([AC_HEADER_TIOCGWINSZ])