diff --git a/leak-utils/misc/csv.go b/leak-utils/misc/csv.go
index fc71e6c..3ccf5de 100644
--- a/leak-utils/misc/csv.go
+++ b/leak-utils/misc/csv.go
@@ -97,7 +97,7 @@ func csvHasHeader(inputFile, delimiter string) (hasHeader bool, err error) {
 	knownHeaders := []string{"email", "password", "username", "phone", "lastname", "firstname", "mail", "addresse", "nom", "id"}
 	for _, knownHeader := range knownHeaders {
 		for _, col := range firstRow {
-			if strings.HasPrefix(col, "_"+knownHeader) || col == knownHeader {
+			if strings.HasSuffix(col, knownHeader) {
 				return true, nil
 			}
 		}