diff --git a/plab/javadoc.go b/plab/javadoc.go
index 9b798b35ee0a5bab02e96abae74ee739238ac3aa..eb10b823dccd7b07df94db13379acbdb4c6272ff 100644
--- a/plab/javadoc.go
+++ b/plab/javadoc.go
@@ -419,7 +419,7 @@ func printClassDoc(c *Class, changed bool) {
 		return
 	}
 	extra := ""
-	if !changed || c.changed() {
+	if changed && c.changed() {
 		extra = "\\textit{Új osztály}"
 	}
 	fmt.Printf("\\paragraph{\\texttt{%s \\textcolor{blue}{%s}} %s}\n", c.Modifiers, c.Name, extra)