diff --git a/HLTrigger/Muon/plugins/HLTMuonL1TFilter.cc b/HLTrigger/Muon/plugins/HLTMuonL1TFilter.cc
index 5b49f38f9dc17..6bc3479465b8f 100644
--- a/HLTrigger/Muon/plugins/HLTMuonL1TFilter.cc
+++ b/HLTrigger/Muon/plugins/HLTMuonL1TFilter.cc
@@ -41,9 +41,9 @@ HLTMuonL1TFilter::HLTMuonL1TFilter(const edm::ParameterSet& iConfig)
     //     }
     qualityBitMask_ |= 1 << selectQualitie;
   }
-  //make sure cut parameter for candidate matching is
+  //make sure cut parameter for candidate matching is strictly positive
   if (maxDR_ <= 0.) {
-    throw cms::Exception("HLTPFJetsMatchedToFilteredJetsProducerConfiguration")
+    throw cms::Exception("HLTMuonL1TFilterConfiguration")
         << "invalid value for parameter \"MaxDeltaR\" (must be > 0): " << maxDR_;
   }
   // dump parameters for debugging
@@ -123,6 +123,7 @@ bool HLTMuonL1TFilter::hltFilter(edm::Event& iEvent,
       for (int it2 = 0; it2 < prevSize; it2++) {
         if (deltaR2(muon->eta(), muon->phi(), prevMuons[it2]->eta(), prevMuons[it2]->phi()) < maxDR2_)
           matchPrevL1 = true;
+        break;
       }
       if (!matchPrevL1)
         continue;