diff --git a/client/src/HelperFunctions.js b/client/src/HelperFunctions.js
index 1271b670..c8a31946 100644
--- a/client/src/HelperFunctions.js
+++ b/client/src/HelperFunctions.js
@@ -20,7 +20,7 @@ export function generateRelativeTime(created) {
 export function getIconBySpeed(current, optional, higherIsBetter) {
     let speed = Math.floor((current / optional) * 100);
 
-    if (current === 0) return "error";
+    if (current === -1) return "error";
 
     if (higherIsBetter) {
         if (speed >= 75) return "green";
diff --git a/client/src/components/LatestTestComponent.js b/client/src/components/LatestTestComponent.js
index d359a2dd..c390d9a5 100644
--- a/client/src/components/LatestTestComponent.js
+++ b/client/src/components/LatestTestComponent.js
@@ -46,7 +46,7 @@ function LatestTestComponent() {
                     <h2 className="container-text">Ping<span className="container-subtext">ms</span></h2>
                 </div>
                 <div className="container-main">
-                    <h2>{latest.ping === 0 ? "Test" : latest.ping}</h2>
+                    <h2>{latest.ping === -1 ? "Test" : latest.ping}</h2>
                 </div>
             </div>
 
@@ -61,7 +61,7 @@ function LatestTestComponent() {
                     <h2 className="container-text">Download<span className="container-subtext">Mbit/s</span></h2>
                 </div>
                 <div className="container-main">
-                    <h2>{latest.download === 0 ? "schlug" : latest.download}</h2>
+                    <h2>{latest.download === -1 ? "schlug" : latest.download}</h2>
                 </div>
             </div>
 
@@ -76,7 +76,7 @@ function LatestTestComponent() {
                     <h2 className="container-text">Upload<span className="container-subtext">Mbit/s</span></h2>
                 </div>
                 <div className="container-main">
-                    <h2>{latest.upload === 0 ? "fehl!" : latest.upload}</h2>
+                    <h2>{latest.upload === -1 ? "fehl!" : latest.upload}</h2>
                 </div>
             </div>
 
diff --git a/client/src/components/SpeedtestComponent.js b/client/src/components/SpeedtestComponent.js
index 7cf115a4..abdba25e 100644
--- a/client/src/components/SpeedtestComponent.js
+++ b/client/src/components/SpeedtestComponent.js
@@ -21,15 +21,15 @@ class Speedtest extends Component {
                     </div>
                     <div className="speedtest-row">
                         <FontAwesomeIcon icon={this.props.ping !== 0 ? faPingPongPaddleBall : faClose} className={"speedtest-icon icon-" + this.props.pingLevel}/>
-                        <h2 className="speedtest-text">{this.props.ping === 0 ? "" : this.props.ping}</h2>
+                        <h2 className="speedtest-text">{this.props.ping === -1 ? "" : this.props.ping}</h2>
                     </div>
                     <div className="speedtest-row">
                         <FontAwesomeIcon icon={this.props.down !== 0 ? faArrowDown : faClose} className={"speedtest-icon icon-" + this.props.downLevel} />
-                        <h2 className="speedtest-text">{this.props.down === 0 ? "" : this.props.down}</h2>
+                        <h2 className="speedtest-text">{this.props.down === -1 ? "" : this.props.down}</h2>
                     </div>
                     <div className="speedtest-row">
                         <FontAwesomeIcon icon={this.props.up !== 0 ? faArrowUp : faClose} className={"speedtest-icon icon-" + this.props.upLevel}/>
-                        <h2 className="speedtest-text">{this.props.up === 0 ? "" : this.props.up}</h2>
+                        <h2 className="speedtest-text">{this.props.up === -1 ? "" : this.props.up}</h2>
                     </div>
                 </div>
             </div>
diff --git a/server/tasks/speedtest.js b/server/tasks/speedtest.js
index 9fa7e8b7..ec62d2d4 100644
--- a/server/tasks/speedtest.js
+++ b/server/tasks/speedtest.js
@@ -49,7 +49,7 @@ module.exports.create = async () => {
         console.log(`Test #${testResult} was executed successfully. 🏓 ${ping} ⬇ ${download}️ ⬆ ${upload}️`);
         createRecommendations().then(() => "");
     } catch (e) {
-        let testResult = tests.create(0, 0, 0);
+        let testResult = tests.create(-1, -1, -1);
         console.log(`Test #${testResult} was not executed successfully. Please try reconnecting to the internet or restarting the software.`);
     }
     isRunning = false;