diff --git a/algo/test/CMakeLists.txt b/algo/test/CMakeLists.txt
index 151303f857990b667f1e672beca01287369a9259..5c79d98359801d20f04a2a4600995c82276dcff7 100644
--- a/algo/test/CMakeLists.txt
+++ b/algo/test/CMakeLists.txt
@@ -27,7 +27,7 @@ if (DEFINED ENV{RAW_DATA_PATH})
   set(TEST_SCRIPT ${CMAKE_SOURCE_DIR}/algo/test/realdata_test.sh)
   set(RECO_BIN ${EXECUTABLE_OUTPUT_PATH}/cbmreco)
   set(PARAMS_DIR ${CMAKE_SOURCE_DIR}/parameters/online)
-  set(TSA_FILE ${RAW_DATA_PATH}/2391_firstTs.tsa)
+  set(TSA_FILE ${RAW_DATA_PATH}/2391_first20Ts.tsa)
 
   Add_Test(
     NAME OnlineRecoCanProcessTimeslice