lib/sslyze/xml.rb in ruby-sslyze-1.2.0 vs lib/sslyze/xml.rb in ruby-sslyze-1.2.1

@@ -73,13 +73,15 @@
     end
 
     #
     # Duration of the scan.
     #
-    # @return [Float]
+    # @return [Float, nil]
     #
     def total_scan_time
-      @start_tls ||= @doc.at_xpath('/document/results/@totalScanTime').value.to_f
+      @total_scan_time ||= if (attr = @doc.at_xpath('/document/results/@totalScanTime'))
+                             attr.value.to_f
+                           end
     end
 
     # Enumerates over each invalid target.
     #
     # @yield [invalidtarget]