diff --git a/Cargo.toml b/Cargo.toml
index 453b04c..2769abf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 
 name = "freetype-rs"
-version = "0.4.0"
+version = "0.4.1"
 authors = ["Coeuvre <coeuvre@gmail.com>"]
 keywords = ["freetype", "font", "glyph"]
 description = "Bindings for FreeType font library"
diff --git a/src/face.rs b/src/face.rs
index df47b7b..3fb733f 100644
--- a/src/face.rs
+++ b/src/face.rs
@@ -78,7 +78,7 @@ impl<'a> Face<'a> {
 
     pub fn attach_file(&self, filepathname: &str) -> FtResult<()> {
         let err = unsafe {
-            ffi::FT_Attach_File(self.raw, filepathname.as_ptr() as *const i8)
+            ffi::FT_Attach_File(self.raw, filepathname.as_ptr() as *const _)
         };
         if err == ffi::FT_Err_Ok {
             Ok(())
diff --git a/src/lib.rs b/src/lib.rs
index cee61c8..7855f1e 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,5 +1,4 @@
 #![deny(missing_copy_implementations)]
-#![deny(raw_pointer_derive)]
 
 #[macro_use]
 extern crate bitflags;