diff --git a/src/main/java/stirling/software/SPDF/controller/api/MergeController.java b/src/main/java/stirling/software/SPDF/controller/api/MergeController.java
index bd2731b7e..473411f18 100644
--- a/src/main/java/stirling/software/SPDF/controller/api/MergeController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/MergeController.java
@@ -148,7 +148,7 @@ public class MergeController {
                 mergerUtility.addSource(tempFile); // Add source file to the merger utility
             }
             
-            mergedTempFile = File.createTempFile("merged-", ".pdf");
+            mergedTempFile = Files.createTempFile("merged-", ".pdf").toFile();
             mergerUtility.setDestinationFileName(mergedTempFile.getAbsolutePath());
             
             mergerUtility.mergeDocuments(