diff --git a/Control/Pi/proximity_detector.py b/Control/Pi/proximity_detector.py
index 2d3b02c..fc4365f 100644
--- a/Control/Pi/proximity_detector.py
+++ b/Control/Pi/proximity_detector.py
@@ -24,6 +24,7 @@ class Proximity:
             self.ser = serial.Serial(self.serial_string, 9600, timeout=1)
             self.alive = True
             self.log.info('Proximity serial open')
+            self.ser.flushInput()
         except Exception as e:
             self.log.critical(f"Cannot open serial device, {e}")
             self.log.critical('Exiting')