diff --git a/scripts/explore.pl b/scripts/explore.pl
index fc5ada0..561121b 100644
--- a/scripts/explore.pl
+++ b/scripts/explore.pl
@@ -44,16 +44,18 @@ my @marker_values;
 my %marker_labels;
 my @filtered_marker_values;
 
-my $assembly_text = "Test";
+my $assembly_text;
 
 my $source_file;
 my $source_line;
-my $source_text = "Test\nTest";
+my $source_text;
 
 my @benchs  = ( "ip", "mem", "regs" );
 my @markers = (
-    "OK_MARKER", "DETECTED_MARKER", "FAIL_MARKER", "TRAP",
-    "TIMEOUT",   "ACCESS_OUTERSPACE"
+    "OK_MARKER",   "DETECTED_MARKER",
+    "FAIL_MARKER", "TRAP",
+    "TIMEOUT",     "ACCESS_OUTERSPACE",
+    "WRITE_TEXTSEGMENT",
 );
 
 # Filter popup state