Index: src/kernel/qimage.h
===================================================================
--- src/kernel/qimage.h	(revision 594273)
+++ src/kernel/qimage.h	(working copy)
@@ -58,7 +58,7 @@ public:
     QCString lang;
 
     bool operator< (const QImageTextKeyLang& other) const
-	{ return key < other.key || key==other.key && lang < other.lang; }
+	{ return key < other.key || (key==other.key && lang < other.lang); }
     bool operator== (const QImageTextKeyLang& other) const
 	{ return key==other.key && lang==other.lang; }
 };