diff --git a/arduino-littlefs-upload-1.1.3.vsix b/arduino-littlefs-upload-1.1.4.vsix
similarity index 94%
rename from arduino-littlefs-upload-1.1.3.vsix
rename to arduino-littlefs-upload-1.1.4.vsix
index cad8e97..2c425e9 100644
Binary files a/arduino-littlefs-upload-1.1.3.vsix and b/arduino-littlefs-upload-1.1.4.vsix differ
diff --git a/package.json b/package.json
index 83e76d6..c68fbcc 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "arduino-littlefs-upload",
   "displayName": "arduino-littlefs-upload",
   "description": "Build and uploads LittleFS filesystems for the Arduino-Pico RP2040 core, ESP8266 core or ESP32 core under Arduino IDE 2.2.1 or higher",
-  "version": "1.1.3",
+  "version": "1.1.4",
   "engines": {
     "vscode": "^1.82.0"
   },
diff --git a/src/extension.ts b/src/extension.ts
index b922d34..897ed35 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -203,7 +203,7 @@ export function activate(context: vscode.ExtensionContext) {
 
         // Windows exes need ".exe" suffix
         let ext = (platform() === 'win32') ? ".exe" : "";
-        let extEspTool = (platform() === 'win32') ? ".exe" : ".py";
+        let extEspTool = (platform() === 'win32') ? ".exe" : ((platform() === 'darwin') ? "" :  ".py");
         let mklittlefs = "mklittlefs" + ext;
 
         let tool = undefined;
@@ -284,10 +284,10 @@ export function activate(context: vscode.ExtensionContext) {
             uploadOpts = ["--chip", esp32variant, "--port", serialPort, "--baud", String(uploadSpeed),
                 "--before", "default_reset", "--after", "hard_reset", "write_flash", "-z",
                 "--flash_mode", flashMode, "--flash_freq", flashFreq, "--flash_size", "detect", String(fsStart), imageFile];
-            if (platform() === 'win32') {
-                cmdApp = espTool; // Have binary EXE on Win32
+            if ((platform() === 'win32') || (platform() === 'darwin')) {
+                cmdApp = espTool; // Have binary EXE on Mac/Windows
             } else {
-                cmdApp = "python3"; // Not shipped, assumed installed
+                cmdApp = "python3"; // Not shipped, assumed installed on Linux
                 uploadOpts.unshift(espTool); // Need to call Python3
             }
         } else { // esp8266