diff --git a/jscomp/syntax/src/res_printer.ml b/jscomp/syntax/src/res_printer.ml
index cd790eeb20..1a700c70f7 100644
--- a/jscomp/syntax/src/res_printer.ml
+++ b/jscomp/syntax/src/res_printer.ml
@@ -2635,10 +2635,16 @@ and printExpression ~state (e : Parsetree.expression) cmtTbl =
         Doc.concat [Doc.text ": "; typDoc]
       | _ -> Doc.nil
     in
+    let hasThisAttr =
+      List.exists (fun ({Asttypes.txt}, _) -> txt = "this") attrs
+    in
     let attrs = printAttributes ~state attrs cmtTbl in
-    Doc.group
-      (Doc.concat
-         [attrs; parametersDoc; typConstraintDoc; Doc.text " =>"; returnExprDoc])
+    let doc =
+      Doc.concat
+        [parametersDoc; typConstraintDoc; Doc.text " =>"; returnExprDoc]
+    in
+    if hasThisAttr then Doc.group (Doc.concat [attrs; addParens doc])
+    else Doc.group (Doc.concat [attrs; doc])
   in
   let uncurried = Ast_uncurried.exprIsUncurriedFun e in
   let e_fun =
diff --git a/jscomp/syntax/tests/printer/other/attributes.res b/jscomp/syntax/tests/printer/other/attributes.res
index 1df3f38b6c..35161c6ebd 100644
--- a/jscomp/syntax/tests/printer/other/attributes.res
+++ b/jscomp/syntax/tests/printer/other/attributes.res
@@ -24,3 +24,8 @@ let x = 1
 )
 let x = 1
 
+#b(@this (t => unit), @this ((x,t) => unit))
+
+#b(@this (t => unit))
+
+#b((t => unit))
diff --git a/jscomp/syntax/tests/printer/other/expected/attributes.res.txt b/jscomp/syntax/tests/printer/other/expected/attributes.res.txt
index 5f353627ef..195e7be57a 100644
--- a/jscomp/syntax/tests/printer/other/expected/attributes.res.txt
+++ b/jscomp/syntax/tests/printer/other/expected/attributes.res.txt
@@ -22,3 +22,9 @@ let x = 1
 
 @inlinePrivate(@module("./logo.svg") external logo: string = "default")
 let x = 1
+
+#b(@this (t => unit), @this ((x,t) => unit))
+
+#b(@this (t => unit))
+
+#b(t => unit)