diff --git a/diesel/src/expression/functions/date_and_time.rs b/diesel/src/expression/functions/date_and_time.rs
index 077aea1a51c4..a0d68f41cb25 100644
--- a/diesel/src/expression/functions/date_and_time.rs
+++ b/diesel/src/expression/functions/date_and_time.rs
@@ -37,7 +37,7 @@ sql_function! {
     /// ```ignore
     /// # #[macro_use] extern crate diesel;
     /// # extern crate chrono;
-    /// # include!(\"../../doctest_setup.rs\");
+    /// # include!("../../doctest_setup.rs");
     /// # use diesel::dsl::*;
     /// #
     /// # fn main() {