diff --git a/headless-services/spring-boot-language-server/src/main/resources/application.properties b/headless-services/spring-boot-language-server/src/main/resources/application.properties
new file mode 100644
index 000000000..8c0dbd1ab
--- /dev/null
+++ b/headless-services/spring-boot-language-server/src/main/resources/application.properties
@@ -0,0 +1,5 @@
+languageserver.extension-id: vscode-spring-boot
+languageserver.completion-trigger-characters.java: 
+languageserver.completion-trigger-characters.spring-boot-properties-yaml: abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ.
+languageserver.completion-trigger-characters.spring-boot-properties: abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ.
+spring.main.banner-mode: off
diff --git a/headless-services/spring-boot-language-server/src/main/resources/application.yml b/headless-services/spring-boot-language-server/src/main/resources/application.yml
deleted file mode 100644
index fbe3d0350..000000000
--- a/headless-services/spring-boot-language-server/src/main/resources/application.yml
+++ /dev/null
@@ -1,9 +0,0 @@
-languageserver:
-  extension-id: vscode-spring-boot
-  completion-trigger-characters: 
-    java: ""
-    spring-boot-properties-yaml: abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ.
-    spring-boot-properties: abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ.
-spring:
-  main:
-    banner-mode: 'off'
diff --git a/vscode-extensions/vscode-spring-boot/lib/Main.ts b/vscode-extensions/vscode-spring-boot/lib/Main.ts
index 48b173826..ff83022ec 100644
--- a/vscode-extensions/vscode-spring-boot/lib/Main.ts
+++ b/vscode-extensions/vscode-spring-boot/lib/Main.ts
@@ -29,7 +29,7 @@ export function activate(context: VSCode.ExtensionContext): Thenable<LanguageCli
         explodedLsJarData: {
             lsLocation: 'language-server',
             mainClass: 'org.springframework.ide.vscode.boot.app.BootLanguagServerBootApp',
-            configFileName: 'application.yml'
+            configFileName: 'application.properties'
         },
         workspaceOptions: VSCode.workspace.getConfiguration("spring-boot.ls"),
         clientOptions: {