diff --git a/app/core/src/main/java/stirling/software/SPDF/controller/api/misc/OCRController.java b/app/core/src/main/java/stirling/software/SPDF/controller/api/misc/OCRController.java
index e9f558e7d..72b8c95d9 100644
--- a/app/core/src/main/java/stirling/software/SPDF/controller/api/misc/OCRController.java
+++ b/app/core/src/main/java/stirling/software/SPDF/controller/api/misc/OCRController.java
@@ -255,6 +255,7 @@ public class OCRController {
                 command.add("--force-ocr");
             }
         }
+        command.add("--invalidate-digital-signatures");
 
         command.addAll(
                 Arrays.asList(