diff --git a/lib/hx509/ks_file.c b/lib/hx509/ks_file.c
index 4dab673cf..16b8150b5 100644
--- a/lib/hx509/ks_file.c
+++ b/lib/hx509/ks_file.c
@@ -113,7 +113,7 @@ parse_file_der(const char *fn, Certificate *t)
     void *data;
     int ret;
 
-    ret = _hx509_map_file(fn, &data, &length);
+    ret = _hx509_map_file(fn, &data, &length, NULL);
     if (ret)
 	return ret;
 
diff --git a/lib/hx509/ks_p12.c b/lib/hx509/ks_p12.c
index 3b0792306..b3a568f06 100644
--- a/lib/hx509/ks_p12.c
+++ b/lib/hx509/ks_p12.c
@@ -324,7 +324,7 @@ p12_init(hx509_context context,
 	goto out;
     }
 
-    ret = _hx509_map_file(residue, &buf, &len);
+    ret = _hx509_map_file(residue, &buf, &len, NULL);
     if (ret)
 	goto out;