diff --git a/common/comic.cpp b/common/comic.cpp
index dfe9d065..64b00c83 100644
--- a/common/comic.cpp
+++ b/common/comic.cpp
@@ -176,7 +176,11 @@ void Comic::checkIsBookmark(int index)
 }
 //-----------------------------------------------------------------------------
 void Comic::updateBookmarkImage(int index)
-{
+{
+    if (bm == nullptr) {
+        return;
+    }
+    
 	if(bm->isBookmark(index))
 	{
 		QImage p;