diff --git a/algo/base/Options.cxx b/algo/base/Options.cxx
index c7091817faff7e9422ffeacdbf1202381644e861..ff0d3e2a6e48557a5c1a50ec109e81c5fe7e5e73 100644
--- a/algo/base/Options.cxx
+++ b/algo/base/Options.cxx
@@ -71,7 +71,7 @@ Options::Options(int argc, char** argv)
       "URI specifying monitor output (e.g. file:/tmp/monitor.txt, influx1:login:8086:cbmreco_status). Prints to cout when no argument is given. Monitor is disabled when flag is not set.")
     ("log-file,L", po::value(&fLogFile)->value_name("<file>"),
       "write log messages to file")
-    ("output,o", po::value(&fOutputTypes)->multitoken()->default_value({RecoData::Hit})->value_name("<types>"),
+    ("output-types,O", po::value(&fOutputTypes)->multitoken()->default_value({RecoData::Hit})->value_name("<types>"),
       "comma seperated list of reconstruction output types (hit, digi, ...)")
     ("steps", po::value(&fRecoSteps)->multitoken()->default_value({Step::Unpack, Step::LocalReco})->value_name("<steps>"),
       "comma seperated list of reconstruction steps (upack, digitrigger, localreco, ...)")