diff --git a/configure b/configure
index c4c67d794..f70082175 100755
--- a/configure
+++ b/configure
@@ -18220,6 +18220,9 @@ fi
 
 done
 
+			if test "$ac_cv_header_sys_sha2_h" = "yes"; then
+				LIBS="$LIBS -lmd"
+			fi
 		;;
 		Linux|*)
 			case " $LIBOBJS " in
diff --git a/configure.ac b/configure.ac
index 508d0d288..730758449 100644
--- a/configure.ac
+++ b/configure.ac
@@ -989,6 +989,9 @@ if test "$USE_NSS" = "no"; then
 					AC_LIBOBJ(sha512)
 				])
 			], [AC_INCLUDES_DEFAULT])
+			if test "$ac_cv_header_sys_sha2_h" = "yes"; then
+				LIBS="$LIBS -lmd"
+			fi
 		;;
 		Linux|*)
 			AC_LIBOBJ(getentropy_linux)