diff --git a/Trigger/TriggerCommon/TriggerJobOpts/python/TriggerConfig.py b/Trigger/TriggerCommon/TriggerJobOpts/python/TriggerConfig.py
index 879cde105473002f1fc01f0ae42fb69a264778b3..58ad89826a51c51cdd5381cc32b06fa45417c8f4 100644
--- a/Trigger/TriggerCommon/TriggerJobOpts/python/TriggerConfig.py
+++ b/Trigger/TriggerCommon/TriggerJobOpts/python/TriggerConfig.py
@@ -561,7 +561,7 @@ def triggerEDMGapFillerCfg( flags, edmSet, decObj=[], decObjHypoOut=[], extraInp
                    "xAOD::TrigCompositeContainer#HLT_RuntimeMetadata"]
 
     acc = ComponentAccumulator()
-    tool = CompFactory.HLTEDMCreator(f"GapFiller_{'' if edmSet==['BS'] else '_'+'_'.join(edmSet)}")
+    tool = CompFactory.HLTEDMCreator(f"GapFiller{'' if edmSet==['BS'] else '_'+'_'.join(edmSet)}")
     alg = CompFactory.HLTEDMCreatorAlg("EDMCreatorAlg",
                                        OutputTools = [tool])
     alg.ExtraInputs = set(extraInputs)