diff --git a/src/fmt/expr.rs b/src/fmt/expr.rs
index 9b453ba02b..8bfdc29cdd 100644
--- a/src/fmt/expr.rs
+++ b/src/fmt/expr.rs
@@ -133,8 +133,10 @@ pub fn fmt_expr<'a>(
             fmt_if(buf, loc_condition, loc_then, loc_else, indent);
         }
         When(loc_condition, branches) => {
-            buf.push_str("\
-            when ");
+            buf.push_str(
+                "\
+                 when ",
+            );
             fmt_expr(buf, &loc_condition.value, indent, false, true);
             buf.push_str(" is\n");
 
diff --git a/src/parse/keyword.rs b/src/parse/keyword.rs
index d18d9b2db2..beb69f0b3a 100644
--- a/src/parse/keyword.rs
+++ b/src/parse/keyword.rs
@@ -4,4 +4,4 @@ pub static ELSE: &str = "else";
 pub static CASE: &str = "case";
 pub static WHEN: &str = "when";
 pub static AS: &str = "as";
-pub static IS: &str = "is";
\ No newline at end of file
+pub static IS: &str = "is";