diff --git a/platformio.ini b/platformio.ini
index f3fc2a50..e3655940 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -19,6 +19,7 @@ platform = espressif32@6.1.0
 
 build_flags =
     -DCOMPONENT_EMBED_FILES=webapp_dist/index.html.gz:webapp_dist/zones.json.gz:webapp_dist/favicon.ico:webapp_dist/js/app.js.gz
+    -DPIOENV=\"$PIOENV\"
     -Wall -Wextra -Werror
     -std=c++17
     -std=gnu++17
diff --git a/src/WebApi_sysstatus.cpp b/src/WebApi_sysstatus.cpp
index 58af9079..fbb392d9 100644
--- a/src/WebApi_sysstatus.cpp
+++ b/src/WebApi_sysstatus.cpp
@@ -67,6 +67,7 @@ void WebApiSysstatusClass::onSystemStatus(AsyncWebServerRequest* request)
     snprintf(version, sizeof(version), "%d.%d.%d", CONFIG_VERSION >> 24 & 0xff, CONFIG_VERSION >> 16 & 0xff, CONFIG_VERSION >> 8 & 0xff);
     root["config_version"] = version;
     root["git_hash"] = AUTO_GIT_HASH;
+    root["pioenv"] = PIOENV;
 
     root["uptime"] = esp_timer_get_time() / 1000000;
 
diff --git a/webapp/src/components/FirmwareInfo.vue b/webapp/src/components/FirmwareInfo.vue
index afc03cfd..6dd69a14 100644
--- a/webapp/src/components/FirmwareInfo.vue
+++ b/webapp/src/components/FirmwareInfo.vue
@@ -22,6 +22,10 @@
                                 {{ systemStatus.git_hash }}
                             </a></td>
                     </tr>
+                    <tr>
+                        <th>{{ $t('firmwareinfo.PioEnv') }}</th>
+                        <td>{{ systemStatus.pioenv }}</td>
+                    </tr>
                     <tr>
                         <th>{{ $t('firmwareinfo.FirmwareUpdate') }}</th>
                         <td><a :href="systemStatus.update_url" target="_blank" v-tooltip
diff --git a/webapp/src/locales/de.json b/webapp/src/locales/de.json
index 20a26f67..871b3240 100644
--- a/webapp/src/locales/de.json
+++ b/webapp/src/locales/de.json
@@ -159,6 +159,7 @@
         "SdkVersion": "SDK-Version",
         "ConfigVersion": "Konfigurationsversion",
         "FirmwareVersion": "Firmwareversion / git Hash",
+        "PioEnv": "PIO Umgebung",
         "FirmwareVersionHint": "Klicken Sie hier, um Informationen über Ihre aktuelle Version anzuzeigen",
         "FirmwareUpdate": "Firmware-Aktualisierung",
         "FirmwareUpdateHint": "Klicken Sie hier, um die Änderungen zwischen Ihrer Version und der neuesten Version anzuzeigen",
diff --git a/webapp/src/locales/en.json b/webapp/src/locales/en.json
index 9b2d8d72..130d948d 100644
--- a/webapp/src/locales/en.json
+++ b/webapp/src/locales/en.json
@@ -159,6 +159,7 @@
         "SdkVersion": "SDK Version",
         "ConfigVersion": "Config Version",
         "FirmwareVersion": "Firmware Version / Git Hash",
+        "PioEnv": "PIO Environment",
         "FirmwareVersionHint": "Click here to show information about your current version",
         "FirmwareUpdate": "Firmware Update",
         "FirmwareUpdateHint": "Click here to view the changes between your version and the latest version",
diff --git a/webapp/src/locales/fr.json b/webapp/src/locales/fr.json
index dc1bb6d6..eca44fae 100644
--- a/webapp/src/locales/fr.json
+++ b/webapp/src/locales/fr.json
@@ -159,6 +159,7 @@
         "SdkVersion": "Version du SDK",
         "ConfigVersion": "Version de la configuration",
         "FirmwareVersion": "Version du firmware / Hash Git",
+        "PioEnv": "PIO Environment",
         "FirmwareVersionHint": "Cliquez ici pour afficher des informations sur votre version actuelle",
         "FirmwareUpdate": "Mise à jour du firmware",
         "FirmwareUpdateHint": "Cliquez ici pour voir les changements entre votre version et la dernière version",
diff --git a/webapp/src/types/SystemStatus.ts b/webapp/src/types/SystemStatus.ts
index 80b86c0d..2792483a 100644
--- a/webapp/src/types/SystemStatus.ts
+++ b/webapp/src/types/SystemStatus.ts
@@ -10,6 +10,7 @@ export interface SystemStatus {
     config_version: string;
     git_hash: string;
     git_is_hash: boolean;
+    pioenv: string;
     resetreason_0: string;
     resetreason_1: string;
     cfgsavecount: number;