diff --git a/kerl b/kerl
index 02c36c2..2f964fd 100755
--- a/kerl
+++ b/kerl
@@ -65,7 +65,7 @@ fi
 
 KERL_SYSTEM=`uname -s`
 case "$KERL_SYSTEM" in
-    Darwin)
+    Darwin|OpenBSD)
         MD5SUM="openssl md5"
         MD5SUM_FIELD=2
         SED_OPT=-E