1 files changed, 1 insertions, 1 deletions
diff --git a/missing.h b/missing.h
index 3f56078259..6eda516527 100644
--- a/missing.h
+++ b/missing.h
@@ -32,7 +32,7 @@ extern double atanh _((double));
 #endif
 
 #ifndef HAVE_CRYPT
-extern char *crypt _((char *, char *));
+extern char *crypt _((const char *, const char *));
 #endif
 
 #ifndef HAVE_DUP2