diff --git a/klippy/extras/statistics.py b/klippy/extras/statistics.py
index 90cd53f8..9e6188a8 100644
--- a/klippy/extras/statistics.py
+++ b/klippy/extras/statistics.py
@@ -65,8 +65,8 @@ class PrinterStats:
     def generate_stats(self, eventtime):
         stats = [cb(eventtime) for cb in self.stats_cb]
         if max([s[0] for s in stats]):
-            logging.info("Stats %.1f: %s", eventtime,
-                         ' '.join([s[1] for s in stats]))
+            stats_str = ' '.join([s[1] for s in stats if s[1]])
+            logging.info("Stats %.1f: %s", eventtime, stats_str)
         return eventtime + 1.
 
 def load_config(config):