diff --git a/ognibuild/fix_build.py b/ognibuild/fix_build.py
index 5023f9e..7542b2b 100644
--- a/ognibuild/fix_build.py
+++ b/ognibuild/fix_build.py
@@ -71,6 +71,7 @@ def run_with_build_fixers(session: Session, args: List[str], fixers: List[BuildF
             retcode, contents = run_with_tee(session, args)
         except FileNotFoundError as e:
             error = MissingCommand(e.args[0])
+            retcode = 1
         else:
             if retcode == 0:
                 return