diff --git a/src/face.rs b/src/face.rs
index 3fb733f..0b42dc7 100644
--- a/src/face.rs
+++ b/src/face.rs
@@ -311,7 +311,7 @@ impl<'a> Face<'a> {
             None
         } else {
             let family_name = unsafe {
-                CStr::from_ptr(family_name).to_bytes().to_vec()
+                CStr::from_ptr(family_name as *const _).to_bytes().to_vec()
             };
             String::from_utf8(family_name).ok()
         }
@@ -324,7 +324,7 @@ impl<'a> Face<'a> {
             None
         } else {
             let style_name = unsafe {
-                CStr::from_ptr(style_name).to_bytes().to_vec()
+                CStr::from_ptr(style_name as *const _).to_bytes().to_vec()
             };
             String::from_utf8(style_name).ok()
         }
@@ -349,7 +349,7 @@ impl<'a> Face<'a> {
             None
         } else {
             let face_name = unsafe {
-                CStr::from_ptr(face_name).to_bytes().to_vec()
+                CStr::from_ptr(face_name as *const _).to_bytes().to_vec()
             };
             String::from_utf8(face_name).ok()
         }
diff --git a/src/library.rs b/src/library.rs
index ac9ad3c..d0cb272 100644
--- a/src/library.rs
+++ b/src/library.rs
@@ -65,7 +65,7 @@ impl Library {
                             .and_then(|s| CString::new(s).ok())
                             .ok_or(Error::InvalidPath));
         let err = unsafe {
-            ffi::FT_New_Face(self.raw, path.as_ptr(), face_index as ffi::FT_Long, &mut face)
+            ffi::FT_New_Face(self.raw, path.as_ptr() as *const _, face_index as ffi::FT_Long, &mut face)
         };
         if err == ffi::FT_Err_Ok {
             Ok(Face::from_raw(self.raw, face))