From 8589716a59d47134e6cfc7e44b19a1b8db9361f2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20T=C5=AFma?= <tumic@cbox.cz>
Date: Mon, 31 May 2021 22:37:55 +0200
Subject: [PATCH] A little bit more sane bitmask

---
 src/map/IMG/rgnfile.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/map/IMG/rgnfile.cpp b/src/map/IMG/rgnfile.cpp
index 6b5d8b3e..e03e78d0 100644
--- a/src/map/IMG/rgnfile.cpp
+++ b/src/map/IMG/rgnfile.cpp
@@ -10,7 +10,7 @@
 
 using namespace IMG;
 
-#define MASK(bits) ((2U << ((bits) - 1U)) - 1U)
+#define MASK(bits) ((1U << (bits)) - 1U)
 
 static quint64 pointId(const QPoint &pos, quint32 type, quint32 labelPtr)
 {