diff --git a/.gitignore b/.gitignore
index 81dbea1..e4cdf53 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,4 +8,5 @@ SomfyController.ino.XIAO_ESP32S3.bin
 SomfyController.ino.esp32c3.bin
 SomfyController.ino.esp32s2.bin
 .vscode/settings.json
-.pio
\ No newline at end of file
+.pio
+data
\ No newline at end of file
diff --git a/platformio.ini b/platformio.ini
index 4a85885..6bf731f 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -22,6 +22,7 @@ lib_deps =
 	knolleary/PubSubClient@^2.8
 extra_scripts = pre:minify.py
 board_build.partitions = min_spiffs.csv
+board_build.filesystem = littlefs
 
 [env:esp32devdbg]
 build_type = debug
@@ -34,4 +35,5 @@ lib_deps =
 	lsatan/SmartRC-CC1101-Driver-Lib@^2.5.7
 	knolleary/PubSubClient@^2.8
 extra_scripts = pre:minify.py
-board_build.partitions = min_spiffs.csv
\ No newline at end of file
+board_build.partitions = min_spiffs.csv
+board_build.filesystem = littlefs
\ No newline at end of file
diff --git a/src/Web.cpp b/src/Web.cpp
index 425d1b2..b4f481d 100644
--- a/src/Web.cpp
+++ b/src/Web.cpp
@@ -216,14 +216,17 @@ void Web::handleStreamFile(WebServer &server, const char *filename, const char *
   webServer.sendCORSHeaders(server);
   if(server.method() == HTTP_OPTIONS) { server.send(200, "OK"); return; }
   esp_task_wdt_reset();
-  // Load the index html page from the data directory.
-  Serial.print("Loading file ");
-  Serial.println(filename);
-  File file = LittleFS.open(filename, "r");
+  // Try gzip variant first; streamFile() auto-adds Content-Encoding: gzip for .gz files
+  String gzFilename = String(filename) + ".gz";
+  File file = LittleFS.open(gzFilename.c_str(), "r");
   if (!file) {
-    Serial.print("Error opening");
+    file = LittleFS.open(filename, "r");
+  }
+  if (!file) {
+    Serial.print("Error opening ");
     Serial.println(filename);
     server.send(500, _encoding_text, "Error opening file");
+    return;
   }
   esp_task_wdt_delete(NULL);
   server.streamFile(file, encoding);