diff --git a/py3status/modules/backlight.py b/py3status/modules/backlight.py
index <HASH>..<HASH> 100644
--- a/py3status/modules/backlight.py
+++ b/py3status/modules/backlight.py
@@ -109,7 +109,9 @@ class Py3status:
             else:
                 raise Exception(STRING_NOT_AVAILABLE)
 
-        self.format = self.py3.update_placeholder_formats(self.format, {"level": ":d"})
+        self.format = self.py3.update_placeholder_formats(
+            self.format, {"level": ":.0f"}
+        )
         # check for an error code and an output
         self.command_available = False
         try:
backlight module: round brightness percentage instead of truncating (#<I>)