diff --git a/klippy/extras/statistics.py b/klippy/extras/statistics.py
index d9c0a367..90cd53f8 100644
--- a/klippy/extras/statistics.py
+++ b/klippy/extras/statistics.py
@@ -13,7 +13,7 @@ class PrinterSysStats:
         self.last_mem_avail = 0
         self.mem_file = None
         try:
-            self.mem_file = open("/proc/meminfo", "rb")
+            self.mem_file = open("/proc/meminfo", "r")
         except:
             pass
         printer.register_event_handler("klippy:disconnect", self._disconnect)