diff --git a/lib/History.cpp b/lib/History.cpp
index b287290..71a7095 100644
--- a/lib/History.cpp
+++ b/lib/History.cpp
@@ -612,7 +612,7 @@ CompactHistoryLine::CompactHistoryLine ( const TextLine& line, CompactHistoryBlo
 {
   length=line.size();
 
-  if (line.size() > 0) {
+  if (!line.empty()) {
     formatLength=1;
     int k=1;