diff --git a/kindlecomicconverter/comic2ebook.py b/kindlecomicconverter/comic2ebook.py
index d4083f5..4c8a598 100755
--- a/kindlecomicconverter/comic2ebook.py
+++ b/kindlecomicconverter/comic2ebook.py
@@ -1491,7 +1491,7 @@ def makeBook(source, qtgui=None):
         imgDirectoryProcessing(os.path.join(path, "OEBPS", "Images"))
     if GUI:
         GUI.progressBarTick.emit('1')
-    if options.batchsplit > 0:
+    if options.batchsplit > 0 or options.targetsize:
         tomes = chunk_directory(path)
     else:
         tomes = [path]