diff --git a/application/controllers/IcingadbimgController.php b/application/controllers/IcingadbimgController.php
index 15dbd95..557716a 100644
--- a/application/controllers/IcingadbimgController.php
+++ b/application/controllers/IcingadbimgController.php
@@ -193,6 +193,8 @@ public function indexAction()
                 }
                 if ($this->dataSource == "graphite") {
                     $arr[1] = Util::graphiteReplace($arr[1]);
+                } elseif ($this->dataSource == "taos") {
+                    $arr[1] = Util::taosReplace($arr[1]);
                 }
                 $customVars .= '&' . $arr[0] . '=' . rawurlencode($arr[1]);
             }
@@ -205,6 +207,11 @@ public function indexAction()
             $hostName = Util::graphiteReplace($hostName);
         }
 
+        // Replace special chars for tsdb
+        if ($this->dataSource == "taos") {
+            $serviceName = Util::taosReplace($serviceName);
+        }
+
         $imageHtml = "";
         $result = $this->getMyimageHtml($serviceName, $hostName, $imageHtml);
 
diff --git a/application/forms/Config/GeneralConfigForm.php b/application/forms/Config/GeneralConfigForm.php
index 6eff13b..6d2b48e 100644
--- a/application/forms/Config/GeneralConfigForm.php
+++ b/application/forms/Config/GeneralConfigForm.php
@@ -170,6 +170,7 @@ public function createElements(array $formData)
                 'multiOptions' => [
                     'influxdb' => $this->translate('InfluxDB'),
                     'graphite' => $this->translate('Graphite'),
+                    'taos'     => $this->translate('TDengine'),
                 ],
                 'description' => $this->translate('Select the Grafana datasource.')
             ]
diff --git a/library/Grafana/Helpers/Util.php b/library/Grafana/Helpers/Util.php
index 1582fb9..3e99eed 100644
--- a/library/Grafana/Helpers/Util.php
+++ b/library/Grafana/Helpers/Util.php
@@ -13,6 +13,13 @@ public static function graphiteReplace(string $string = ''): string
         return $string;
     }
 
+    public static function taosReplace(string $string = ''): string
+    {
+        $string = preg_replace('/[^a-zA-Z0-9\*\-:]/', '_', $string);
+
+        return $string;
+    }
+
     /**
      * getUserThemeMode returns the users configured Theme Mode.
      * Since we cannot handle the 'system' setting (it's client-side),
diff --git a/library/Grafana/ProvidedHook/Icingadb/IcingaDbGrapher.php b/library/Grafana/ProvidedHook/Icingadb/IcingaDbGrapher.php
index 1c2b0ac..6c998ec 100644
--- a/library/Grafana/ProvidedHook/Icingadb/IcingaDbGrapher.php
+++ b/library/Grafana/ProvidedHook/Icingadb/IcingaDbGrapher.php
@@ -390,6 +390,11 @@ public function getPreviewHtml(Model $object, $report = false)
             $hostName = Util::graphiteReplace($hostName);
         }
 
+        // Replace special chars for tsdb
+        if ($this->dataSource == "taos" && $this->accessMode !== "indirectproxy") {
+            $serviceName = Util::taosReplace($serviceName);
+        }
+
         if (! empty($this->customVars)) {
             // replace template to customVars from Icinga2
             foreach ($customvars as $k => $v) {
@@ -408,6 +413,8 @@ public function getPreviewHtml(Model $object, $report = false)
                 }
                 if ($this->dataSource === "graphite") {
                     $arr[1] = Util::graphiteReplace($arr[1]);
+                } elseif ($this->dataSource == "taos") {
+                    $arr[1] = Util::taosReplace($arr[1]);
                 }
                 $customVars .= '&' . $arr[0] . '=' . rawurlencode(implode('=', array_slice($arr, 1)));
             }
@@ -424,7 +431,7 @@ public function getPreviewHtml(Model $object, $report = false)
             $this->dashboarduid,
             $this->dashboard,
             rawurlencode(($this->dataSource === 'graphite' ? Util::graphiteReplace($hostName) : $hostName)),
-            rawurlencode(($this->dataSource === 'graphite' ? Util::graphiteReplace($serviceName) : $serviceName)),
+            rawurlencode(($this->dataSource === 'graphite' ? Util::graphiteReplace($serviceName) : ($this->dataSource === 'taos' ? Util::taosReplace($serviceName) : $serviceName))),
             rawurlencode($object->checkcommand_name),
             $this->customVars,
             urlencode($this->timerange),