diff --git a/compiler/fmt/src/annotation.rs b/compiler/fmt/src/annotation.rs
index 7fb5b13043..0d9e7d8ff4 100644
--- a/compiler/fmt/src/annotation.rs
+++ b/compiler/fmt/src/annotation.rs
@@ -18,7 +18,7 @@ use roc_region::all::Located;
 ///     Just (Just a)
 ///     List (List a)
 ///     reverse (reverse l)
-#[derive(PartialEq, Eq, Clone, Copy)]
+#[derive(PartialEq, Eq, Clone, Copy, Debug)]
 pub enum Parens {
     NotNeeded,
     InFunctionType,
diff --git a/compiler/fmt/src/expr.rs b/compiler/fmt/src/expr.rs
index 44501f09e4..9160188699 100644
--- a/compiler/fmt/src/expr.rs
+++ b/compiler/fmt/src/expr.rs
@@ -133,9 +133,13 @@ impl<'a> Formattable<'a> for Expr<'a> {
                 }
             }
             ParensAround(sub_expr) => {
-                buf.push('(');
-                sub_expr.format_with_options(buf, Parens::NotNeeded, Newlines::Yes, indent);
-                buf.push(')');
+                if parens == Parens::NotNeeded {
+                    sub_expr.format_with_options(buf, Parens::NotNeeded, Newlines::Yes, indent);
+                } else {
+                    buf.push('(');
+                    sub_expr.format_with_options(buf, Parens::NotNeeded, Newlines::Yes, indent);
+                    buf.push(')');
+                }
             }
             Str(literal) => {
                 use roc_parse::ast::StrLiteral::*;
diff --git a/compiler/fmt/tests/test_fmt.rs b/compiler/fmt/tests/test_fmt.rs
index edf60c1696..10dbb6b90a 100644
--- a/compiler/fmt/tests/test_fmt.rs
+++ b/compiler/fmt/tests/test_fmt.rs
@@ -362,6 +362,31 @@ mod test_fmt {
         );
     }
 
+    #[test]
+    fn excess_parens() {
+        expr_formats_to(
+            indoc!(
+                r#"
+                x = (5)
+    
+    
+                y = ((10))
+    
+                42
+                "#
+            ),
+            indoc!(
+                r#"
+                x = 5
+    
+                y = 10
+    
+                42
+                "#
+            ),
+        );
+    }
+
     // #[test]
     // fn defs_with_defs() {
     //     expr_formats_to(