diff --git a/src/renderer/sw_engine/tvgSwShape.cpp b/src/renderer/sw_engine/tvgSwShape.cpp
index 4f66cdac..ae2ddd2a 100644
--- a/src/renderer/sw_engine/tvgSwShape.cpp
+++ b/src/renderer/sw_engine/tvgSwShape.cpp
@@ -558,11 +558,15 @@ void shapeReset(SwShape* shape)
 void shapeFree(SwShape* shape)
 {
     rleFree(shape->rle);
+    shape->rle = nullptr;
+
     shapeDelFill(shape);
 
     if (shape->stroke) {
         rleFree(shape->strokeRle);
+        shape->strokeRle = nullptr;
         strokeFree(shape->stroke);
+        shape->stroke = nullptr;
     }
 }