diff --git a/core/src/node/extension/manager.ts b/core/src/node/extension/manager.ts
index 9173504a7..618a5ed9f 100644
--- a/core/src/node/extension/manager.ts
+++ b/core/src/node/extension/manager.ts
@@ -47,7 +47,7 @@ export class ExtensionManager {
 
       const extensionsJson = join(extDir, "extensions.json");
       if (!existsSync(extensionsJson))
-        writeFileSync(extensionsJson, "{}", "utf8");
+        writeFileSync(extensionsJson, "{}", "utf-8");
 
       this.extensionsPath = extDir;
     } catch (error) {
diff --git a/core/src/node/extension/store.ts b/core/src/node/extension/store.ts
index 8e11c2bb2..2225479ca 100644
--- a/core/src/node/extension/store.ts
+++ b/core/src/node/extension/store.ts
@@ -84,7 +84,7 @@ export function persistExtensions() {
   writeFileSync(
     ExtensionManager.instance.getExtensionsFile(),
     JSON.stringify(persistData),
-    "utf8"
+    "utf-8"
   );
 }
 
diff --git a/extensions/inference-nitro-extension/src/module.ts b/extensions/inference-nitro-extension/src/module.ts
index 671d67f9c..7678bae19 100644
--- a/extensions/inference-nitro-extension/src/module.ts
+++ b/extensions/inference-nitro-extension/src/module.ts
@@ -61,7 +61,7 @@ async function updateNvidiaDriverInfo(): Promise<void> {
     (error, stdout) => {
       let data;
       try {
-        data = JSON.parse(readFileSync(NVIDIA_INFO_FILE, "utf8"));
+        data = JSON.parse(readFileSync(NVIDIA_INFO_FILE, "utf-8"));
       } catch (error) {
         data = DEFALT_SETTINGS;
       }
@@ -109,7 +109,7 @@ function updateCudaExistence() {
 
   let data;
   try {
-    data = JSON.parse(readFileSync(NVIDIA_INFO_FILE, "utf8"));
+    data = JSON.parse(readFileSync(NVIDIA_INFO_FILE, "utf-8"));
   } catch (error) {
     data = DEFALT_SETTINGS;
   }
@@ -127,7 +127,7 @@ async function updateGpuInfo(): Promise<void> {
     (error, stdout) => {
       let data;
       try {
-        data = JSON.parse(readFileSync(NVIDIA_INFO_FILE, "utf8"));
+        data = JSON.parse(readFileSync(NVIDIA_INFO_FILE, "utf-8"));
       } catch (error) {
         data = DEFALT_SETTINGS;
       }
@@ -376,7 +376,7 @@ function spawnNitroProcess(nitroResourceProbe: any): Promise<any> {
     let cudaVisibleDevices = "";
     let binaryName;
     if (process.platform === "win32") {
-      let nvida_info = JSON.parse(readFileSync(NVIDIA_INFO_FILE, "utf8"));
+      let nvida_info = JSON.parse(readFileSync(NVIDIA_INFO_FILE, "utf-8"));
       if (nvida_info["run_mode"] === "cpu") {
         binaryFolder = path.join(binaryFolder, "win-cpu");
       } else {
@@ -392,7 +392,7 @@ function spawnNitroProcess(nitroResourceProbe: any): Promise<any> {
       }
       binaryName = "nitro";
     } else {
-      let nvida_info = JSON.parse(readFileSync(NVIDIA_INFO_FILE, "utf8"));
+      let nvida_info = JSON.parse(readFileSync(NVIDIA_INFO_FILE, "utf-8"));
       if (nvida_info["run_mode"] === "cpu") {
         binaryFolder = path.join(binaryFolder, "linux-cpu");
       } else {