diff --git a/arduino-ide-extension/src/browser/serial/monitor/serial-monitor-send-output.tsx b/arduino-ide-extension/src/browser/serial/monitor/serial-monitor-send-output.tsx
index a2f9510cb..554736b71 100644
--- a/arduino-ide-extension/src/browser/serial/monitor/serial-monitor-send-output.tsx
+++ b/arduino-ide-extension/src/browser/serial/monitor/serial-monitor-send-output.tsx
@@ -43,6 +43,7 @@ export class SerialMonitorOutput extends React.Component<
         itemCount={this.state.lines.length}
         itemSize={18}
         width={'100%'}
+        style={{ whiteSpace: 'nowrap' }}
         ref={this.listRef}
       >
         {Row}