diff --git a/src/dict/bgl.cc b/src/dict/bgl.cc
index 0dc1734b..57c209c7 100644
--- a/src/dict/bgl.cc
+++ b/src/dict/bgl.cc
@@ -721,8 +721,8 @@ void BglArticleRequest::run()
       string const & targetHeadword = displayedHeadword.size() ? displayedHeadword : headword;
 
       QCryptographicHash hash( QCryptographicHash::Md5 );
-      hash.addData( targetHeadword.data(), targetHeadword.size() + 1 ); // with 0
-      hash.addData( articleText.data(), articleText.size() );
+      hash.addData( { targetHeadword.data(), static_cast< qsizetype >( targetHeadword.size() + 1 ) } ); // with 0
+      hash.addData( { articleText.data(), static_cast< qsizetype >( articleText.size() ) } );
 
       if ( !articleBodiesIncluded.insert( hash.result() ).second ) {
         continue; // Already had this body
diff --git a/src/dict/mdx.cc b/src/dict/mdx.cc
index 11b6a7db..aa374cca 100644
--- a/src/dict/mdx.cc
+++ b/src/dict/mdx.cc
@@ -621,7 +621,7 @@ void MdxArticleRequest::run()
     }
 
     QCryptographicHash hash( QCryptographicHash::Md5 );
-    hash.addData( articleBody.data(), articleBody.size() );
+    hash.addData( { articleBody.data(), static_cast< qsizetype >( articleBody.length() ) } );
     if ( !articleBodiesIncluded.insert( hash.result() ).second ) {
       continue; // Already had this body
     }