1 files changed, 4 insertions, 2 deletions
diff --git a/src/guestfs.pod b/src/guestfs.pod
index 74b1a81d..6b119dc3 100644
--- a/src/guestfs.pod
+++ b/src/guestfs.pod
@@ -1701,10 +1701,12 @@ an explicit call to L</guestfs_parse_environment> like this:
  int r;
  
  g = guestfs_create_flags (GUESTFS_CREATE_NO_ENVIRONMENT);
- if (!g)
+ if (!g) {
+   perror ("guestfs_create_flags");
    exit (EXIT_FAILURE);
+ }
  r = guestfs_parse_environment (g);
- if (!r)
+ if (r == -1)
    exit (EXIT_FAILURE);
 
 Or to create a handle which is unaffected by environment variables,