diff --git a/buildbot/master/files/config/factories.py b/buildbot/master/files/config/factories.py
index 9ab20336..277f4685 100644
--- a/buildbot/master/files/config/factories.py
+++ b/buildbot/master/files/config/factories.py
@@ -118,7 +118,7 @@ def step_type(step):
                 # First step has count = 0 but no suffix,
                 # so second step will have `__1` as suffix, etc.
                 step.name += '__{}'.format(existing_count)
-                name_counts[step_type(step)] += 1
+            name_counts[step_type(step)] += 1
             self._add_step(step)
 
     def _add_step(self, step):