diff --git a/Pdf4QtLib/sources/pdfpagecontentprocessor.cpp b/Pdf4QtLib/sources/pdfpagecontentprocessor.cpp
index a8d9552..702593b 100644
--- a/Pdf4QtLib/sources/pdfpagecontentprocessor.cpp
+++ b/Pdf4QtLib/sources/pdfpagecontentprocessor.cpp
@@ -3451,7 +3451,7 @@ void PDFPageContentProcessor::PDFPageContentProcessorState::setFillColorSpace(co
 
 void PDFPageContentProcessor::PDFPageContentProcessorState::setStrokeColor(const QColor& strokeColor, const PDFColor& originalColor)
 {
-    if (m_strokeColor != strokeColor)
+    if (m_strokeColor != strokeColor || m_strokeColorOriginal != originalColor)
     {
         m_strokeColor = strokeColor;
         m_strokeColorOriginal = originalColor;
@@ -3461,7 +3461,7 @@ void PDFPageContentProcessor::PDFPageContentProcessorState::setStrokeColor(const
 
 void PDFPageContentProcessor::PDFPageContentProcessorState::setFillColor(const QColor& fillColor, const PDFColor& originalColor)
 {
-    if (m_fillColor != fillColor)
+    if (m_fillColor != fillColor || m_fillColorOriginal != originalColor)
     {
         m_fillColor = fillColor;
         m_fillColorOriginal = originalColor;
diff --git a/Pdf4QtLib/sources/pdftransparencyrenderer.cpp b/Pdf4QtLib/sources/pdftransparencyrenderer.cpp
index 567792a..b5b5fd8 100644
--- a/Pdf4QtLib/sources/pdftransparencyrenderer.cpp
+++ b/Pdf4QtLib/sources/pdftransparencyrenderer.cpp
@@ -907,6 +907,10 @@ void PDFTransparencyRenderer::performRestoreGraphicState(ProcessOrder order)
     {
         m_painterStateStack.pop();
     }
+    if (order == ProcessOrder::AfterOperation)
+    {
+        invalidateCachedItems();
+    }
 }
 
 void PDFTransparencyRenderer::performBeginTransparencyGroup(ProcessOrder order, const PDFTransparencyGroup& transparencyGroup)