diff --git a/buildbot_nix/buildbot_nix/repo_config/__init__.py b/buildbot_nix/buildbot_nix/repo_config/__init__.py
index 9c39fb40f..59591fc1c 100644
--- a/buildbot_nix/buildbot_nix/repo_config/__init__.py
+++ b/buildbot_nix/buildbot_nix/repo_config/__init__.py
@@ -33,7 +33,7 @@ async def extract_during_step(cls, buildstep: BuildStepShellMixin) -> Self:
             command=[
                 "sh",
                 "-c",
-                "if [ -f buildbot-nix.toml ] then; then cat buildbot-nix.toml; fi",
+                "if [ -f buildbot-nix.toml ]; then cat buildbot-nix.toml; fi",
             ],
         )
         await buildstep.runCommand(cmd)