diff --git a/extensions/kusto/src/utils.ts b/extensions/kusto/src/utils.ts
index 8f48991d93..f291de5906 100644
--- a/extensions/kusto/src/utils.ts
+++ b/extensions/kusto/src/utils.ts
@@ -60,6 +60,8 @@ export function getLogFileName(prefix: string, pid: number): string {
 
 export function getCommonLaunchArgsAndCleanupOldLogFiles(logPath: string, fileName: string, executablePath: string): string[] {
 	let launchArgs: string[] = [];
+	launchArgs.push(`--locale`, vscode.env.language);
+
 	launchArgs.push('--log-file');
 	let logFile = path.join(logPath, fileName);
 	launchArgs.push(logFile);
diff --git a/extensions/mssql/src/utils.ts b/extensions/mssql/src/utils.ts
index 9eee2dfc27..e1a22e6103 100644
--- a/extensions/mssql/src/utils.ts
+++ b/extensions/mssql/src/utils.ts
@@ -94,6 +94,8 @@ export function getLogFileName(prefix: string, pid: number): string {
 
 export function getCommonLaunchArgsAndCleanupOldLogFiles(logPath: string, fileName: string, executablePath: string): string[] {
 	let launchArgs = [];
+	launchArgs.push(`--locale`, vscode.env.language);
+
 	launchArgs.push('--log-file');
 	let logFile = path.join(logPath, fileName);
 	launchArgs.push(logFile);