diff --git a/src/ConfigurationManager.ts b/src/ConfigurationManager.ts
index b6fd1568..307f913c 100644
--- a/src/ConfigurationManager.ts
+++ b/src/ConfigurationManager.ts
@@ -14,7 +14,7 @@
  *   limitations under the License.
  */
 
-import execa from "execa";
+import * as execa from "execa";
 import * as glob from "glob";
 import * as path from "path";
 import * as portfinder from "portfinder";
@@ -400,7 +400,7 @@ export class ConfigurationManager implements Disposable {
       if (username && apiKey) {
         parameters.set("username", username);
         parameters.set("apiKey", apiKey);
-      }  
+      }
     }
     // Make sure disabled rules and disabled categories do not contain spaces
     const CONFIG_DISABLED_RULES = "languageTool.disabledRules";
@@ -486,7 +486,7 @@ export class ConfigurationManager implements Disposable {
               Constants.EXTENSION_OUTPUT_CHANNEL.appendLine(
                 "Starting managed service.",
               );
-              (this.process = execa("java", args)).catch(
+              (this.process = execa.execa("java", args)).catch(
                 (err: execa.ExecaError) => {
                   if (err.isCanceled) {
                     Constants.EXTENSION_OUTPUT_CHANNEL.appendLine(
@@ -503,11 +503,11 @@ export class ConfigurationManager implements Disposable {
                   }
                 },
               );
-              this.process.stderr.addListener("data", (data) => {
+              this.process.stderr.addListener("data", (data: string) => {
                 Constants.EXTENSION_OUTPUT_CHANNEL.appendLine(data);
                 Constants.EXTENSION_OUTPUT_CHANNEL.show(true);
               });
-              this.process.stdout.addListener("data", (data) => {
+              this.process.stdout.addListener("data", (data: string) => {
                 Constants.EXTENSION_OUTPUT_CHANNEL.appendLine(data);
               });
               this.serviceUrl = this.findServiceUrl(this.getServiceType());