diff --git a/PhysicsTools/NanoAOD/python/ttbarCategorization_cff.py b/PhysicsTools/NanoAOD/python/ttbarCategorization_cff.py
index eb1125dfb596d..d65601471a430 100644
--- a/PhysicsTools/NanoAOD/python/ttbarCategorization_cff.py
+++ b/PhysicsTools/NanoAOD/python/ttbarCategorization_cff.py
@@ -22,7 +22,7 @@
 )
 
 ## Producer for ttbar categorisation ID
-from TopQuarkAnalysis.TopTools.GenTtbarCategorizer_cfi import categorizeGenTtbar
+from TopQuarkAnalysis.TopTools.categorizeGenTtbar_cfi import categorizeGenTtbar
 categorizeGenTtbar = categorizeGenTtbar.clone(
     genJetPtMin = 20.,
     genJetAbsEtaMax = 2.4,
diff --git a/TopQuarkAnalysis/TopTools/test/testGenTtbarCategories.py b/TopQuarkAnalysis/TopTools/test/testGenTtbarCategories.py
index cbce78c8a67e5..cbf7f2ab9a64e 100644
--- a/TopQuarkAnalysis/TopTools/test/testGenTtbarCategories.py
+++ b/TopQuarkAnalysis/TopTools/test/testGenTtbarCategories.py
@@ -123,7 +123,7 @@
 
 ## Producer for ttbar categorisation ID
 # MUST use same genJetCollection as used for tools above
-from TopQuarkAnalysis.TopTools.GenTtbarCategorizer_cfi import categorizeGenTtbar
+from TopQuarkAnalysis.TopTools.categorizeGenTtbar_cfi import categorizeGenTtbar
 process.categorizeGenTtbar = categorizeGenTtbar.clone(
     genJetPtMin = 20.,
     genJetAbsEtaMax = 2.4,