diff --git a/src/os/unix/ngx_posix_init.c b/src/os/unix/ngx_posix_init.c
index f20f44c..4a2b581 100644
--- a/src/os/unix/ngx_posix_init.c
+++ b/src/os/unix/ngx_posix_init.c
@@ -50,7 +50,7 @@
         return NGX_ERROR;
     }
     
-    ngx_max_sockets = rlmt.rlim_cur;
+    ngx_max_sockets = (ngx_int_t) rlmt.rlim_cur;
 
 #if (NGX_HAVE_INHERITED_NONBLOCK)
     ngx_inherited_nonblocking = 1;