diff --git a/src/Compositor.cpp b/src/Compositor.cpp
index aac5aef4..821f5f02 100644
--- a/src/Compositor.cpp
+++ b/src/Compositor.cpp
@@ -1704,7 +1704,7 @@ CMonitor* CCompositor::getMonitorFromString(const std::string& name) {
         currentPlace += offsetLeft;
 
         if (currentPlace < 0) {
-            currentPlace = m_vMonitors.size() - currentPlace;
+            currentPlace = m_vMonitors.size() + currentPlace;
         } else {
             currentPlace = currentPlace % m_vMonitors.size();
         }