diff --git a/source/views/view_disassembler.cpp b/source/views/view_disassembler.cpp
index 68a114012..8b88f0806 100644
--- a/source/views/view_disassembler.cpp
+++ b/source/views/view_disassembler.cpp
@@ -20,7 +20,7 @@ namespace hex {
         EventManager::subscribe<EventRegionSelected>(this, [this](Region region) {
             if (this->m_shouldMatchSelection) {
                 this->m_codeRegion[0] = region.address;
-                this->m_codeRegion[1] = region.address + region.size - 1;
+                this->m_codeRegion[1] = region.address + region.size;
             }
         });
     }