diff --git a/src/index.test.ts b/src/index.test.ts
index de5852767..65d74a610 100644
--- a/src/index.test.ts
+++ b/src/index.test.ts
@@ -151,13 +151,14 @@ test('should throw if custom sort has invalid category sort values', async (t) =
 
 for (const validJson of validJsonExamples) {
   test(`should return '${validJson}' unchanged`, async (t) => {
-    const output = await format(validJson, {
+    const validJsonWithNewline = `${validJson}\n`;
+    const output = await format(validJsonWithNewline, {
       filepath: 'foo.json',
       parser: 'json',
       plugins: [SortJsonPlugin],
     });
 
-    t.is(output, validJson);
+    t.is(output, validJsonWithNewline);
   });
 }
 
diff --git a/src/index.test.ts.md b/src/index.test.ts.md
index abec415e6..7ae848998 100644
--- a/src/index.test.ts.md
+++ b/src/index.test.ts.md
@@ -20,7 +20,8 @@ Generated by [AVA](https://avajs.dev).
         "a": null␊
       },␊
       "z": null␊
-    }`
+    }␊
+    `
 
 ## should sort an unsorted JSON object
 
@@ -38,7 +39,8 @@ Generated by [AVA](https://avajs.dev).
         "a": null␊
       },␊
       "z": null␊
-    }`
+    }␊
+    `
 
 ## should validate a sorted JSON object recursively
 
@@ -55,7 +57,8 @@ Generated by [AVA](https://avajs.dev).
         "z": null␊
       },␊
       "z": null␊
-    }`
+    }␊
+    `
 
 ## should sort an unsorted JSON object recursively
 
@@ -72,7 +75,8 @@ Generated by [AVA](https://avajs.dev).
         "z": null␊
       },␊
       "z": null␊
-    }`
+    }␊
+    `
 
 ## should validate a sorted JSON object within an array recursively
 
@@ -94,7 +98,8 @@ Generated by [AVA](https://avajs.dev).
         "z": null␊
       },␊
       2␊
-    ]`
+    ]␊
+    `
 
 ## should sort an unsorted JSON object within an array recursively
 
@@ -116,7 +121,8 @@ Generated by [AVA](https://avajs.dev).
         "z": null␊
       },␊
       2␊
-    ]`
+    ]␊
+    `
 
 ## should validate a deeply nested sorted JSON object recursively
 
@@ -142,7 +148,8 @@ Generated by [AVA](https://avajs.dev).
         "z": null␊
       },␊
       "z": null␊
-    }`
+    }␊
+    `
 
 ## should sort an unsorted deeply nested JSON object recursively
 
@@ -168,7 +175,8 @@ Generated by [AVA](https://avajs.dev).
         "z": null␊
       },␊
       "z": null␊
-    }`
+    }␊
+    `
 
 ## should validate a sorted JSON object with unconventional keys
 
@@ -204,7 +212,8 @@ Generated by [AVA](https://avajs.dev).
       "{": null,␊
       "{}": null,␊
       "￿": null␊
-    }`
+    }␊
+    `
 
 ## should sort a JSON object with unconventional keys
 
@@ -240,7 +249,8 @@ Generated by [AVA](https://avajs.dev).
       "{": null,␊
       "{}": null,␊
       "￿": null␊
-    }`
+    }␊
+    `
 
 ## should sort JSON objects recursively within a nested array
 
@@ -268,7 +278,8 @@ Generated by [AVA](https://avajs.dev).
         }␊
       ],␊
       "z": null␊
-    }`
+    }␊
+    `
 
 ## should validate JSON objects recursively within a nested array
 
@@ -296,7 +307,8 @@ Generated by [AVA](https://avajs.dev).
         }␊
       ],␊
       "z": null␊
-    }`
+    }␊
+    `
 
 ## should validate a sorted JSON object with a simple custom sort
 
@@ -314,7 +326,8 @@ Generated by [AVA](https://avajs.dev).
         "a": null␊
       },␊
       "z": null␊
-    }`
+    }␊
+    `
 
 ## should sort an unsorted JSON object with a simple custom sort
 
@@ -332,7 +345,8 @@ Generated by [AVA](https://avajs.dev).
         "a": null␊
       },␊
       "z": null␊
-    }`
+    }␊
+    `
 
 ## should validate a sorted JSON object with a numeric custom sort
 
@@ -356,7 +370,8 @@ Generated by [AVA](https://avajs.dev).
       },␊
       "first": "first",␊
       "z": null␊
-    }`
+    }␊
+    `
 
 ## should sort an unsorted JSON object with a numeric custom sort
 
@@ -380,7 +395,8 @@ Generated by [AVA](https://avajs.dev).
       },␊
       "first": "first",␊
       "z": null␊
-    }`
+    }␊
+    `
 
 ## should validate a sorted JSON object with a complex custom sort
 
@@ -427,7 +443,8 @@ Generated by [AVA](https://avajs.dev).
         "a": null␊
       },␊
       "z": null␊
-    }`
+    }␊
+    `
 
 ## should sort an unsorted JSON object with a complex custom sort
 
@@ -472,4 +489,5 @@ Generated by [AVA](https://avajs.dev).
         "050": null␊
       },␊
       "z": null␊
-    }`
+    }␊
+    `
diff --git a/src/index.test.ts.snap b/src/index.test.ts.snap
index 21d4f6b99..1ec976235 100644
Binary files a/src/index.test.ts.snap and b/src/index.test.ts.snap differ
diff --git a/src/index.ts b/src/index.ts
index 62ebc92b9..d7000f035 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -195,7 +195,7 @@ export const parsers = {
           (ast.type === 'ArrayExpression' && jsonRecursiveSort)
         )
       ) {
-        return ast;
+        return jsonRootAst;
       }
 
       let sortCompareFunction: (a: string, b: string) => number = lexicalSort;
@@ -272,7 +272,12 @@ export const parsers = {
           return aIndex - bIndex;
         };
       }
-      return sortAst(ast, jsonRecursiveSort, sortCompareFunction);
+      const sortedAst = sortAst(ast, jsonRecursiveSort, sortCompareFunction);
+
+      return {
+        ...jsonRootAst,
+        node: sortedAst,
+      };
     },
   },
 } as Record<string, Parser>;