1 files changed, 1 insertions, 1 deletions
diff --git a/hesiod/hesiod.c b/hesiod/hesiod.c
index ffae611fe2..998802d8c4 100644
--- a/hesiod/hesiod.c
+++ b/hesiod/hesiod.c
@@ -255,7 +255,7 @@ read_config_file (struct hesiod_p *ctx, const char *filename)
 
   /* Try to open the configuration file. */
   fp = fopen (filename, "r");
-  if (fp = NULL)
+  if (fp == NULL)
     {
       /* Use compiled in default domain names. */
       ctx->lhs = malloc (strlen (DEF_LHS) + 1);