diff --git a/sw/source/core/text/EnhancedPDFExportHelper.cxx b/sw/source/core/text/EnhancedPDFExportHelper.cxx
index 05dd9b38ea30..5c877a4bc422 100644
--- a/sw/source/core/text/EnhancedPDFExportHelper.cxx
+++ b/sw/source/core/text/EnhancedPDFExportHelper.cxx
@@ -2339,6 +2339,11 @@ void SwEnhancedPDFExportHelper::EnhancedPDFExport(LanguageType const eLanguageDe
     const bool bOldLockView = mrSh.IsViewLocked();
     mrSh.LockView( true );
 
+    // tdf#133976 speeds up export greatly
+    SwTextFrame::GetTextCache()->IncreaseMax( 10000 );
+    const ::comphelper::ScopeGuard aGuard(
+        []() mutable { SwTextFrame::GetTextCache()->DecreaseMax( 10000 ); } );
+
     if ( !mbEditEngineOnly )
     {
         assert(pPDFExtOutDevData->GetSwPDFState() == nullptr);