diff --git a/R/utils_anomaly_score.R b/R/utils_anomaly_score.R
index a5a7225d..0f33d4f3 100644
--- a/R/utils_anomaly_score.R
+++ b/R/utils_anomaly_score.R
@@ -6,6 +6,7 @@
                                            n_feat=100,
                                            missing_run_count=.5){
     input = as.data.table(input)
+    input$Run = .standardizeColnames(input$Run)
     
     input$Fragment = paste(input$PeptideSequence,
                            input$PrecursorCharge,