diff --git a/src/calibre/ebooks/oeb/transforms/split.py b/src/calibre/ebooks/oeb/transforms/split.py
index 3124561a2b..16858cef6c 100644
--- a/src/calibre/ebooks/oeb/transforms/split.py
+++ b/src/calibre/ebooks/oeb/transforms/split.py
@@ -297,7 +297,7 @@ class FlowSplitter(object):
             return False
         txt = re.sub(r'\s+|\xa0', '',
                 etree.tostring(body, method='text', encoding='unicode'))
-        if len(txt) > 1:
+        if len(txt):
             return False
         for img in root.xpath('//h:img', namespaces=NAMESPACES):
             if img.get('style', '') != 'display:none':