diff --git a/tests/reference/coreToOdt_SaveFull_styles.xml b/tests/reference/coreToOdt_SaveFull_styles.xml
index c52c6938..b276efed 100644
--- a/tests/reference/coreToOdt_SaveFull_styles.xml
+++ b/tests/reference/coreToOdt_SaveFull_styles.xml
@@ -63,8 +63,7 @@
   <office:master-styles>
     <style:master-page style:name="Standard" style:page-layout-name="PM1">
       <style:header>
-        <text:p text:style-name="Header">Test Project / Jane Smith / <text:page-number text:select-page="current">2</text:page-number>
-        </text:p>
+        <text:p text:style-name="Header">Test Project - Jane Smith</text:p>
       </style:header>
       <style:header-first>
         <text:p text:style-name="Header" />
diff --git a/tests/test_core/test_core_toodt.py b/tests/test_core/test_core_toodt.py
index 23f98d20..5648e656 100644
--- a/tests/test_core/test_core_toodt.py
+++ b/tests/test_core/test_core_toodt.py
@@ -25,6 +25,7 @@ import zipfile
 import xml.etree.ElementTree as ET
 
 from shutil import copyfile
+from novelwriter.constants import nwHeadFmt
 
 from tools import ODT_IGNORE, cmpFiles
 
@@ -691,6 +692,9 @@ def testCoreToOdt_SaveFlat(mockGUI, fncPath, tstPaths):
     odt.setLanguage("nb_NO")
     assert odt._dLanguage == "nb"
     odt.setColourHeaders(True)
+    assert odt._colourHead is True
+    odt.setHeaderFormat(nwHeadFmt.ODT_AUTO)
+    assert odt._headerFormat == nwHeadFmt.ODT_AUTO
 
     odt.setPageLayout(148, 210, 20, 18, 17, 15)
     assert odt._mDocWidth  == "14.800cm"
@@ -736,6 +740,9 @@ def testCoreToOdt_SaveFull(mockGUI, fncPath, tstPaths):
     odt = ToOdt(project, isFlat=False)
     odt._isNovel = True
 
+    # Set a format without page number
+    odt.setHeaderFormat(f"{nwHeadFmt.ODT_PROJECT} - {nwHeadFmt.ODT_AUTHOR}")
+
     odt._text = (
         "## Chapter One\n\n"
         "Text\n\n"
diff --git a/tests/test_tools/test_tools_manussettings.py b/tests/test_tools/test_tools_manussettings.py
index d347d817..13fc49d6 100644
--- a/tests/test_tools/test_tools_manussettings.py
+++ b/tests/test_tools/test_tools_manussettings.py
@@ -649,18 +649,27 @@ def testBuildSettings_Output(qtbot: QtBot, nwGUI: GuiMain):
 
     # Check initial values
     assert outTab.odtAddColours.isChecked() is False
+    assert outTab.odtPageHeader.text() == nwHeadFmt.ODT_AUTO
     assert outTab.htmlAddStyles.isChecked() is False
 
     # Toggle all
     outTab.odtAddColours.setChecked(True)
     outTab.htmlAddStyles.setChecked(True)
 
+    # Change header format
+    outTab.odtPageHeader.setText("Stuff")
+
     # Save values
     outTab.saveContent()
 
     assert build.getBool("odt.addColours") is True
+    assert build.getStr("odt.pageHeader") == "Stuff"
     assert build.getBool("html.addStyles") is True
 
+    # Reset header format
+    outTab.btnPageHeader.click()
+    assert outTab.odtPageHeader.text() == nwHeadFmt.ODT_AUTO
+
     # Finish
     bSettings._dialogButtonClicked(bSettings.buttonBox.button(QDialogButtonBox.Close))
     # qtbot.stop()