diff --git a/block/crypto.c b/block/crypto.c
index be3498581c..1903e84fbd 100644
--- a/block/crypto.c
+++ b/block/crypto.c
@@ -196,6 +196,7 @@ block_crypto_open_opts_init(QCryptoBlockFormat format,
     OptsVisitor *ov;
     QCryptoBlockOpenOptions *ret = NULL;
     Error *local_err = NULL;
+    Error *end_err = NULL;
 
     ret = g_new0(QCryptoBlockOpenOptions, 1);
     ret->format = format;
@@ -218,10 +219,9 @@ block_crypto_open_opts_init(QCryptoBlockFormat format,
         error_setg(&local_err, "Unsupported block format %d", format);
         break;
     }
-    error_propagate(errp, local_err);
-    local_err = NULL;
 
-    visit_end_struct(opts_get_visitor(ov), &local_err);
+    visit_end_struct(opts_get_visitor(ov), &end_err);
+    error_propagate(&local_err, end_err);
 
  out:
     if (local_err) {
@@ -242,6 +242,7 @@ block_crypto_create_opts_init(QCryptoBlockFormat format,
     OptsVisitor *ov;
     QCryptoBlockCreateOptions *ret = NULL;
     Error *local_err = NULL;
+    Error *end_err = NULL;
 
     ret = g_new0(QCryptoBlockCreateOptions, 1);
     ret->format = format;
@@ -264,10 +265,9 @@ block_crypto_create_opts_init(QCryptoBlockFormat format,
         error_setg(&local_err, "Unsupported block format %d", format);
         break;
     }
-    error_propagate(errp, local_err);
-    local_err = NULL;
 
-    visit_end_struct(opts_get_visitor(ov), &local_err);
+    visit_end_struct(opts_get_visitor(ov), &end_err);
+    error_propagate(&local_err, end_err);
 
  out:
     if (local_err) {
diff --git a/tests/qemu-iotests/149 b/tests/qemu-iotests/149
index bb5811d93b..52e23d2946 100755
--- a/tests/qemu-iotests/149
+++ b/tests/qemu-iotests/149
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 #
 # Copyright (C) 2016 Red Hat, Inc.
 #