1 files changed, 2 insertions, 2 deletions
diff --git a/src/api/x11/window.rs b/src/api/x11/window.rs
index 6a4f39a..35b6a84 100644
--- a/src/api/x11/window.rs
+++ b/src/api/x11/window.rs
@@ -492,8 +492,8 @@ impl Window {
         unsafe {
             with_c_str(&*builder.title, |c_name| {
                 let hint = (display.xlib.XAllocClassHint)();
-                (*hint).res_name = c_name as *mut i8;
-                (*hint).res_class = c_name as *mut i8;
+                (*hint).res_name = c_name as *mut libc::c_char;
+                (*hint).res_class = c_name as *mut libc::c_char;
                 (display.xlib.XSetClassHint)(display.display, window, hint);
                 (display.xlib.XFree)(hint as *mut libc::c_void);
             });