1 files changed, 1 insertions, 1 deletions
diff --git a/src/env.c b/src/env.c
index 19c2a62c1..53be05639 100644
--- a/src/env.c
+++ b/src/env.c
@@ -166,7 +166,7 @@ main (argc, argv, envp)
   if (optind != argc && !strcmp (argv[optind], "-"))
     ++optind;
 
-  while (optind < argc && index (argv[optind], '='))
+  while (optind < argc && strchr (argv[optind], '='))
     putenv (argv[optind++]);
 
   /* If no program is specified, print the environment and exit. */