diff --git a/pw_build/py/pw_build/wrap_ninja.py b/pw_build/py/pw_build/wrap_ninja.py
index 0af55fa..01e6d94 100644
--- a/pw_build/py/pw_build/wrap_ninja.py
+++ b/pw_build/py/pw_build/wrap_ninja.py
@@ -312,6 +312,12 @@
                 actions_total = int(match.group(3))
                 name = match.group(4)
 
+                # Sometimes Ninja delimits lines without \r, which prevents
+                # _monitor_thread from stripping out the final control code,
+                # so just remove it here if it's present.
+                if name.endswith('\x1B[K'):
+                    name = name[:-3]
+
                 did_start = actions_started > self.num_started
                 did_finish = actions_finished > self.num_finished
                 self.num_started = actions_started