diff --git a/src/esploader.ts b/src/esploader.ts
index 95195723..d57f84be 100644
--- a/src/esploader.ts
+++ b/src/esploader.ts
@@ -155,8 +155,7 @@ async function magic2Chip(magic: number): Promise<ROM | null> {
       const { ESP8266ROM } = await import("./targets/esp8266.js");
       return new ESP8266ROM();
     }
-    case 0x0addbad0:
-    case 0x0: {
+    case 0x7039ad9: {
       const { ESP32P4ROM } = await import("./targets/esp32p4.js");
       return new ESP32P4ROM();
     }
@@ -677,6 +676,7 @@ export class ESPLoader {
     if (!detecting) {
       const chipMagicValue = (await this.readReg(0x40001000)) >>> 0;
       this.debug("Chip Magic " + chipMagicValue.toString(16));
+      this.info("Chip Magic " + chipMagicValue.toString(16));
       const chip = await magic2Chip(chipMagicValue);
       if (this.chip === null) {
         throw new ESPError(`Unexpected CHIP magic value ${chipMagicValue}. Failed to autodetect chip type.`);