diff --git a/UnitCsvReceiverSmart.pl b/UnitCsvReceiverSmart.pl
index 3a3f122..bb64f15 100644
--- a/UnitCsvReceiverSmart.pl
+++ b/UnitCsvReceiverSmart.pl
@@ -94,7 +94,7 @@ while ( my $line = $tail->GetLine() ) {
         $trfile = "/home/" . $truser . $trfile;
 
         if (
-            ( grep( /^$suffix$/, @ext ) )
+            ( grep( /^$suffix$/i, @ext ) )
             and ( $filename =~
                    m/^(\d\d_\d\d\d\d_|)(DT\d\d\d\d|LOC\d\d\d\d|GD\d\d\d\d)$/i
                 or $filename =~ m/^G201_ID\d\d\d\d_DT\d\d\d\d_\d*$/i