diff --git a/src/panels/lovelace/cards/hui-gauge-card.ts b/src/panels/lovelace/cards/hui-gauge-card.ts
index e13a78d452..9a1ceb2bdf 100644
--- a/src/panels/lovelace/cards/hui-gauge-card.ts
+++ b/src/panels/lovelace/cards/hui-gauge-card.ts
@@ -96,8 +96,6 @@ class HuiGaugeCard extends LitElement implements LovelaceCard {
       `;
     }
 
-    const entityState = Number(stateObj.state);
-
     if (stateObj.state === UNAVAILABLE) {
       return html`
         <hui-warning
@@ -164,7 +162,7 @@ class HuiGaugeCard extends LitElement implements LovelaceCard {
             .unit_of_measurement ||
           ""}
           style=${styleMap({
-            "--gauge-color": this._computeSeverity(entityState),
+            "--gauge-color": this._computeSeverity(Number(valueToDisplay)),
           })}
           .needle=${this._config!.needle}
           .levels=${this._config!.needle ? this._severityLevels() : undefined}