diff --git a/plugins-scripts/Nagios/DBD/Oracle/Server/Database/Tablespace/Datafile.pm b/plugins-scripts/Nagios/DBD/Oracle/Server/Database/Tablespace/Datafile.pm
index 7ee59d4..8280ea1 100644
--- a/plugins-scripts/Nagios/DBD/Oracle/Server/Database/Tablespace/Datafile.pm
+++ b/plugins-scripts/Nagios/DBD/Oracle/Server/Database/Tablespace/Datafile.pm
@@ -176,8 +176,9 @@ sub nagios {
           $self->check_thresholds($self->{io_total_per_sec}, "1000", "5000"),
           sprintf ("%s: %.2f IO Operations per Second", 
               $self->{name}, $self->{io_total_per_sec}));
+      (my $path = $self->{path}) =~ s/:|\/|\\/_/g;
       $self->add_perfdata(sprintf "'dbf_%s_io_total_per_sec'=%.2f;%d;%d",
-          $params{uniquelabels} ? $self->{path} : $self->{name}, $self->{io_total_per_sec},
+          $params{uniquelabels} ? $path : $self->{name}, $self->{io_total_per_sec},
           $self->{warningrange}, $self->{criticalrange});
     }
   }