diff --git a/plugins/dynamix/Diagnostics.page b/plugins/dynamix/Diagnostics.page
index 1775fdb47..53d49d72d 100644
--- a/plugins/dynamix/Diagnostics.page
+++ b/plugins/dynamix/Diagnostics.page
@@ -44,6 +44,7 @@ diagnostic.on('message',function(data) {
 function cleanUp(file) {
   if (document.hasFocus()) {
     $.post('/webGui/include/Download.php',{cmd:'delete',file:file});
+    $("#download").attr("disabled",false);
   } else {
     setTimeout(function(){cleanUp(file);},2000);
   }
@@ -114,4 +115,4 @@ to the system log.*
 *Use* **Anonymize diagnostics** *when publishing the diagnostics file in the public forum. In private communication with Limetech it is recommended to uncheck this setting and capture all information unaltered.*
 :end
 
-<input type="button" value="_(Download)_" onclick="diagnostics(zipfile())"><input type="button" value="_(Done)_" onclick="done()"><input type="checkbox" id="anonymize" checked>_(Anonymize diagnostics)_
+<input id='download' type="button" value="_(Download)_" onclick="$(this).attr('disabled',true);diagnostics(zipfile())"><input type="button" value="_(Done)_" onclick="done()"><input type="checkbox" id="anonymize" checked>_(Anonymize diagnostics)_
diff --git a/plugins/dynamix/scripts/monitor b/plugins/dynamix/scripts/monitor
index 60243ed18..9efe1dbd9 100755
--- a/plugins/dynamix/scripts/monitor
+++ b/plugins/dynamix/scripts/monitor
@@ -137,8 +137,8 @@ function check_usage($name,$used,$text,$info) {
   global $notify,$disks,$saved,$display,$server;
   if ($used == -1) return;
   $disk = &$disks[$name];
-  $warning = $disk['warning'] ?? $display['warning'];
-  $critical = $disk['critical'] ?? $display['critical'];
+  $warning = $disk['warning'] ?: $display['warning'];
+  $critical = $disk['critical'] ?: $display['critical'];
   $warn = exceed($used,$critical) ? 'alert' : (exceed($used,$warning) ? 'warning' : '');
   $item = 'used';
   $last = $saved[$item][$name] ?? 0;
diff --git a/plugins/dynamix/styles/dynamix-white.css b/plugins/dynamix/styles/dynamix-white.css
index 52dc6e980..79656520f 100644
--- a/plugins/dynamix/styles/dynamix-white.css
+++ b/plugins/dynamix/styles/dynamix-white.css
@@ -92,7 +92,7 @@ span.select ul.unused{display:block}
 span.select ul li.nosort{font-weight:bold}
 span.select ul li.ident{padding-left:7px}
 span.select ul li span{display:none}
-span.select{padding:3px 6px;margin:0 10px 0 0;border:none;border-radius:4px;box-shadow:0 2px 0 #ff8c2f,inset 0 -1px #f2f2f2;background-color:tranparent;outline:none;display:inline-block;cursor:pointer}
+span.select{padding:3px 6px;margin:0 10px 0 0;border:none;border-radius:4px;box-shadow:0 2px 0 #ff8c2f,inset 0 -1px #f2f2f2;background-color:transparent;outline:none;display:inline-block;cursor:pointer}
 span.select[disabled]{color:#1c1b1b;border-color:#808080;background-color:#e8e8e8;opacity:0.5;cursor:default}
 div.sb-message{padding:10px;text-align:center}
 div.sb-message a:link,div.sb-message a:visited{color:#486dba;text-decoration:underline}