diff --git a/lib/hx509/test_crypto.in b/lib/hx509/test_crypto.in
index 759b9da41..9206031be 100644
--- a/lib/hx509/test_crypto.in
+++ b/lib/hx509/test_crypto.in
@@ -184,4 +184,9 @@ echo "print certificate with utf8"
 ${hxtool} print \
 	FILE:$srcdir/data/j.pem >/dev/null 2>/dev/null || exit 1
 
+echo "Make sure that we can parse EC private keys"
+${hxtool} print --content \
+    FILE:$srcdir/data/pkinit-ec.crt,$srcdir/data/pkinit-ec.key \
+    > /dev/null || exit 1
+
 exit 0