diff --git a/src/api/providers/mistral.ts b/src/api/providers/mistral.ts
index 6582f5d220..83eda4400e 100644
--- a/src/api/providers/mistral.ts
+++ b/src/api/providers/mistral.ts
@@ -35,7 +35,7 @@ export class MistralHandler implements ApiHandler {
 	}
 
 	private getBaseUrl(): string {
-		const modelId = this.options.apiModelId
+		const modelId = this.options.apiModelId ?? mistralDefaultModelId
 		if (modelId?.startsWith("codestral-")) {
 			return this.options.mistralCodestralUrl || "https://codestral.mistral.ai"
 		}