diff --git a/src/kernel/qimage.h b/src/kernel/qimage.h
index 1ade054..cef7824 100644
--- a/src/kernel/qimage.h
+++ b/src/kernel/qimage.h
@@ -58,9 +58,9 @@ 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; }
+	{ return (key==other.key) && (lang==other.lang); }
 };
 #endif //QT_NO_IMAGE_TEXT