diff --git a/src/test/java/dev/blaauwendraad/masker/json/LargeStreamTest.java b/src/test/java/dev/blaauwendraad/masker/json/LargeStreamTest.java
index 49d0f520..434cc6d4 100644
--- a/src/test/java/dev/blaauwendraad/masker/json/LargeStreamTest.java
+++ b/src/test/java/dev/blaauwendraad/masker/json/LargeStreamTest.java
@@ -44,10 +44,10 @@ static void setupFiles() throws IOException {
         }
         inputFileWriter.write("{\"key\":\"mask\"}");
         expectedResultFileWriter.write("{\"key\":\"***\"}");
-        inputFileWriter.flush();
-        expectedResultFileWriter.flush();
         inputFileWriter.write("]");
         expectedResultFileWriter.write("]");
+        inputFileWriter.flush();
+        expectedResultFileWriter.flush();
         inputFileWriter.close();
         expectedResultFileWriter.close();
     }