diff --git a/pdfbox/src/test/java/org/apache/pdfbox/pdmodel/interactive/form/PDAcroFormTest.java b/pdfbox/src/test/java/org/apache/pdfbox/pdmodel/interactive/form/PDAcroFormTest.java
index 3a05129d68f..fc94f03a21e 100644
--- a/pdfbox/src/test/java/org/apache/pdfbox/pdmodel/interactive/form/PDAcroFormTest.java
+++ b/pdfbox/src/test/java/org/apache/pdfbox/pdmodel/interactive/form/PDAcroFormTest.java
@@ -42,6 +42,7 @@
 import org.apache.pdfbox.pdmodel.PDResources;
 import org.apache.pdfbox.pdmodel.common.PDRectangle;
 import org.apache.pdfbox.pdmodel.font.PDFont;
+import org.apache.pdfbox.pdmodel.font.PDType0Font;
 import org.apache.pdfbox.pdmodel.font.PDType1Font;
 import org.apache.pdfbox.pdmodel.font.Standard14Fonts.FontName;
 import org.apache.pdfbox.pdmodel.interactive.annotation.PDAnnotation;
@@ -53,6 +54,7 @@
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.Assertions;
+import static org.junit.jupiter.api.Assertions.fail;
 
 /**
  * Test for the PDButton class.
@@ -120,7 +122,7 @@ void testFlatten() throws IOException
         if (!TestPDFToImage.doTestFile(file, IN_DIR.getAbsolutePath(), OUT_DIR.getAbsolutePath()))
         {
             // don't fail, rendering is different on different systems, result must be viewed manually
-            System.out.println("Rendering of " + file + " failed or is not identical to expected rendering in " + IN_DIR + " directory");
+            fail("Rendering of " + file + " failed or is not identical to expected rendering in " + IN_DIR + " directory");
         }
         
     }
@@ -154,7 +156,7 @@ void testFlattenWidgetNoRef() throws IOException
         if (!TestPDFToImage.doTestFile(file, IN_DIR.getAbsolutePath(), OUT_DIR.getAbsolutePath()))
         {
             // don't fail, rendering is different on different systems, result must be viewed manually
-            System.out.println("Rendering of " + file + " failed or is not identical to expected rendering in " + IN_DIR + " directory");
+            fail("Rendering of " + file + " failed or is not identical to expected rendering in " + IN_DIR + " directory");
         }
     }
     
@@ -407,6 +409,33 @@ void testPDFBox3347() throws IOException, URISyntaxException
         }
     }
 
+    /***
+     * PDFBOX-5797: Check that Sejda generated files have their widget /DA entries changed. 
+     */
+    @Test
+    void testPDFBox5797() throws IOException
+    {
+        try (PDDocument doc = Loader.loadPDF(new File(
+                "src/test/resources/org/apache/pdfbox/pdmodel/interactive/annotation/PDFBOX-5797-SO79271803.pdf")))
+        {
+            PDType0Font load = PDType0Font.load(doc, 
+                    PDAcroFormFromAnnotsTest.class.getResourceAsStream("/org/apache/pdfbox/resources/ttf/LiberationSans-Regular.ttf"), 
+                    false);
+
+            PDAcroForm acroForm = doc.getDocumentCatalog().getAcroForm();
+            PDResources resources = acroForm.getDefaultResources();
+            String fontName = resources.add(load).getName();
+            String defaultAppearanceString = "/" + fontName + " 12 Tf 0 g";
+
+            PDTextField myField = (PDTextField) acroForm.getField("Name");
+            myField.setDefaultAppearance(defaultAppearanceString);
+            myField.getWidgets().get(0).setAppearance(null);
+            myField.setValue("ŞŞ"); // Text with the Ş character made it crash
+
+            assertEquals("ŞŞ", myField.getValue());
+        }
+    }
+
     @AfterEach
     public void tearDown() throws IOException
     {
diff --git a/pdfbox/src/test/resources/org/apache/pdfbox/pdmodel/interactive/annotation/PDFBOX-5797-SO79271803.pdf b/pdfbox/src/test/resources/org/apache/pdfbox/pdmodel/interactive/annotation/PDFBOX-5797-SO79271803.pdf
new file mode 100644
index 00000000000..e5eaeb7abab
Binary files /dev/null and b/pdfbox/src/test/resources/org/apache/pdfbox/pdmodel/interactive/annotation/PDFBOX-5797-SO79271803.pdf differ