diff --git a/src/microhttpd/digestauth.c b/src/microhttpd/digestauth.c
index fe078009..98ce433a 100644
--- a/src/microhttpd/digestauth.c
+++ b/src/microhttpd/digestauth.c
@@ -480,9 +480,9 @@ lookup_sub_value (char *dest,
         if (size > len)
           size = len;
         size--;
-        strncpy (dest,
-                 q1,
-                 size);
+        memcpy (dest,
+                q1,
+                size);
         dest[size] = '\0';
         return size;
       }