diff --git a/src/emucore/Console.cxx b/src/emucore/Console.cxx
index 7172d3e90..c3f6d59f2 100644
--- a/src/emucore/Console.cxx
+++ b/src/emucore/Console.cxx
@@ -682,7 +682,7 @@ void Console::changeVerticalCenter(int direction)
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 void Console::updateVcenter(Int32 vcenter)
 {
-  if ((vcenter > TIAConstants::maxVcenter) | (vcenter < TIAConstants::minVcenter))
+  if ((vcenter > TIAConstants::maxVcenter) || (vcenter < TIAConstants::minVcenter))
     return;
 
   if (vcenter != myTIA->vcenter()) myTIA->setVcenter(vcenter);