diff --git a/generators/epub/converter.cpp b/generators/epub/converter.cpp
index a276db75d..7d5094558 100644
--- a/generators/epub/converter.cpp
+++ b/generators/epub/converter.cpp
@@ -190,7 +190,7 @@ QTextDocument* Converter::convert( const QString &fileName )
         } else { // load missing resource
           char *data;
           int size = epub_get_data(mTextDocument->getEpub(), clink, &data);
-          if (size > 0) {
+          if (data) {
             _cursor->insertBlock();
 
             // try to load as image and if not load as html
diff --git a/generators/epub/epubdocument.cpp b/generators/epub/epubdocument.cpp
index 8c85e4097..ae19f8aee 100644
--- a/generators/epub/epubdocument.cpp
+++ b/generators/epub/epubdocument.cpp
@@ -61,7 +61,7 @@ QVariant EpubDocument::loadResource(int type, const QUrl &name)
 
   QVariant resource;
 
-  if (size > 0) {
+  if (data) {
     switch(type) {
     case QTextDocument::ImageResource:
       resource.setValue(QImage::fromData((unsigned char *)data, size));