diff --git a/src/servo/text/native_font/ft_native_font.rs b/src/servo/text/native_font/ft_native_font.rs
index 43b30c8ef61..2f93eb7f552 100644
--- a/src/servo/text/native_font/ft_native_font.rs
+++ b/src/servo/text/native_font/ft_native_font.rs
@@ -1,6 +1,6 @@
 export FreeTypeNativeFont, with_test_native_font, create;
 
-use vec_as_buf = vec::as_buf;
+use vec_as_buf = vec::as_imm_buf;
 use ptr::{addr_of, null};
 use unsafe::reinterpret_cast;
 use glyph::GlyphIndex;