diff --git a/sc/inc/document.hxx b/sc/inc/document.hxx
index 718079f9cf5f..59606dd6db38 100644
--- a/sc/inc/document.hxx
+++ b/sc/inc/document.hxx
@@ -569,6 +569,8 @@ private:
     bool                mbFinalTrackFormulas    : 1;
     // This indicates if a ScDocShell::DoRecalc() or ScDocShell::DoHardRecalc() is in progress.
     bool                mbDocShellRecalc        : 1;
+    // This indicates if a ScOutputData::LayoutStrings() is in progress.
+    bool                mbLayoutStrings         : 1;
 
     size_t              mnMutationGuardFlags;
 
@@ -2624,6 +2626,9 @@ public:
     bool IsInDocShellRecalc() const   { return mbDocShellRecalc; }
     void SetDocShellRecalc(bool bSet) { mbDocShellRecalc = bSet; }
 
+    bool IsInLayoutStrings() const   { return mbLayoutStrings; }
+    void SetLayoutStrings(bool bSet) { mbLayoutStrings = bSet; }
+
     /**
      * Serializes the specified sheet's geometry data.
      *
diff --git a/sc/qa/extras/scpdfexport.cxx b/sc/qa/extras/scpdfexport.cxx
index 63ed2120c985..20edc99646ed 100644
--- a/sc/qa/extras/scpdfexport.cxx
+++ b/sc/qa/extras/scpdfexport.cxx
@@ -71,6 +71,7 @@ public:
     void testTdf143978();
     void testTdf84012();
     void testTdf78897();
+    void testForcepoint97();
 
     CPPUNIT_TEST_SUITE(ScPDFExportTest);
     CPPUNIT_TEST(testExportRange_Tdf120161);
@@ -80,6 +81,7 @@ public:
     CPPUNIT_TEST(testTdf143978);
     CPPUNIT_TEST(testTdf84012);
     CPPUNIT_TEST(testTdf78897);
+    CPPUNIT_TEST(testForcepoint97);
     CPPUNIT_TEST_SUITE_END();
 };
 
@@ -558,6 +560,18 @@ void ScPDFExportTest::testTdf78897()
     CPPUNIT_ASSERT_EQUAL(OUString(" 11.00 11.00 "), aActualText);
 }
 
+// just needs to not crash on export to pdf
+void ScPDFExportTest::testForcepoint97()
+{
+    mxComponent = loadFromDesktop(m_directories.getURLFromSrc(DATA_DIRECTORY) + "forcepoint97.xlsx",
+                                  "com.sun.star.sheet.SpreadsheetDocument");
+    uno::Reference<frame::XModel> xModel(mxComponent, uno::UNO_QUERY);
+
+    // A1:H81
+    ScRange range1(0, 0, 0, 7, 81, 0);
+    std::shared_ptr<utl::TempFile> pPDFFile = exportToPDF(xModel, range1);
+}
+
 CPPUNIT_TEST_SUITE_REGISTRATION(ScPDFExportTest);
 CPPUNIT_PLUGIN_IMPLEMENT();
 
diff --git a/sc/qa/extras/testdocuments/forcepoint97.xlsx b/sc/qa/extras/testdocuments/forcepoint97.xlsx
new file mode 100644
index 000000000000..152fbbc45a9f
Binary files /dev/null and b/sc/qa/extras/testdocuments/forcepoint97.xlsx differ
diff --git a/sc/source/core/data/documen2.cxx b/sc/source/core/data/documen2.cxx
index 83137e93ac37..bcdbd9b586e9 100644
--- a/sc/source/core/data/documen2.cxx
+++ b/sc/source/core/data/documen2.cxx
@@ -190,6 +190,7 @@ ScDocument::ScDocument( ScDocumentMode eMode, SfxObjectShell* pDocShell ) :
         mbTrackFormulasPending(false),
         mbFinalTrackFormulas(false),
         mbDocShellRecalc(false),
+        mbLayoutStrings(false),
         mnMutationGuardFlags(0)
 {
     maPreviewSelection = { *mxSheetLimits };
diff --git a/sc/source/core/data/formulacell.cxx b/sc/source/core/data/formulacell.cxx
index e8ee8682df60..404abe0988cc 100644
--- a/sc/source/core/data/formulacell.cxx
+++ b/sc/source/core/data/formulacell.cxx
@@ -2148,7 +2148,8 @@ void ScFormulaCell::InterpretTail( ScInterpreterContext& rContext, ScInterpretTa
             // XXX if mbNeedsNumberFormat was set even if the current format
             // was not General then we'd have to obtain the current format here
             // and check at least the types.
-            if (bSetFormat && (bForceNumberFormat || ((nFormatIndex % SV_COUNTRY_LANGUAGE_OFFSET) != 0)))
+            const bool bSetNumberFormat = bSetFormat && (bForceNumberFormat || ((nFormatIndex % SV_COUNTRY_LANGUAGE_OFFSET) != 0));
+            if (bSetNumberFormat && !rDocument.IsInLayoutStrings())
             {
                 // set number format explicitly
                 if (!rDocument.IsThreadedGroupCalcInProgress())
diff --git a/sc/source/ui/view/output2.cxx b/sc/source/ui/view/output2.cxx
index 3fbd8eab65e9..55291b388514 100644
--- a/sc/source/ui/view/output2.cxx
+++ b/sc/source/ui/view/output2.cxx
@@ -75,6 +75,7 @@
 #include <scopetools.hxx>
 
 #include <com/sun/star/i18n/DirectionProperty.hpp>
+#include <comphelper/scopeguard.hxx>
 #include <comphelper/string.hxx>
 
 #include <memory>
@@ -1472,6 +1473,12 @@ void ScOutputData::DrawStrings( bool bPixelToLogic )
 
 tools::Rectangle ScOutputData::LayoutStrings(bool bPixelToLogic, bool bPaint, const ScAddress &rAddress)
 {
+    bool bOrigIsInLayoutStrings = mpDoc->IsInLayoutStrings();
+    mpDoc->SetLayoutStrings(true);
+    comphelper::ScopeGuard g([this, bOrigIsInLayoutStrings] {
+        mpDoc->SetLayoutStrings(bOrigIsInLayoutStrings);
+    });
+
     OSL_ENSURE( mpDev == mpRefDevice ||
                 mpDev->GetMapMode().GetMapUnit() == mpRefDevice->GetMapMode().GetMapUnit(),
                 "LayoutStrings: different MapUnits ?!?!" );