diff --git a/fpdfsdk/pwl/cpwl_edit.cpp b/fpdfsdk/pwl/cpwl_edit.cpp
index 8478511..513ee55 100644
--- a/fpdfsdk/pwl/cpwl_edit.cpp
+++ b/fpdfsdk/pwl/cpwl_edit.cpp
@@ -142,7 +142,7 @@
   m_pEditImpl->SetMultiLine(HasFlag(PES_MULTILINE), false);
   m_pEditImpl->SetAutoReturn(HasFlag(PES_AUTORETURN), false);
   m_pEditImpl->SetAutoFontSize(HasFlag(PWS_AUTOFONTSIZE), false);
-  m_pEditImpl->SetAutoScroll(HasFlag(PES_AUTOSCROLL), false);
+  m_pEditImpl->SetAutoScroll(HasFlag(PES_AUTOSCROLL));
   m_pEditImpl->EnableUndo(HasFlag(PES_UNDO));
 
   if (HasFlag(PES_TEXTOVERFLOW)) {
diff --git a/fpdfsdk/pwl/cpwl_edit_impl.cpp b/fpdfsdk/pwl/cpwl_edit_impl.cpp
index 705678e..5be9483 100644
--- a/fpdfsdk/pwl/cpwl_edit_impl.cpp
+++ b/fpdfsdk/pwl/cpwl_edit_impl.cpp
@@ -783,10 +783,8 @@
   Paint();
 }
 
-void CPWL_EditImpl::SetAutoScroll(bool bAuto, bool bPaint) {
+void CPWL_EditImpl::SetAutoScroll(bool bAuto) {
   m_bEnableScroll = bAuto;
-  if (bPaint)
-    Paint();
 }
 
 void CPWL_EditImpl::SetTextOverflow(bool bAllowed, bool bPaint) {
diff --git a/fpdfsdk/pwl/cpwl_edit_impl.h b/fpdfsdk/pwl/cpwl_edit_impl.h
index 8b2bb56..f1e3bb0 100644
--- a/fpdfsdk/pwl/cpwl_edit_impl.h
+++ b/fpdfsdk/pwl/cpwl_edit_impl.h
@@ -81,7 +81,7 @@
   void SetMultiLine(bool bMultiLine, bool bPaint);
   void SetAutoReturn(bool bAuto, bool bPaint);
   void SetAutoFontSize(bool bAuto, bool bPaint);
-  void SetAutoScroll(bool bAuto, bool bPaint);
+  void SetAutoScroll(bool bAuto);
   void SetFontSize(float fFontSize);
   void SetTextOverflow(bool bAllowed, bool bPaint);
   void OnMouseDown(const CFX_PointF& point, bool bShift, bool bCtrl);