diff --git a/ale_linters/kotlin/languageserver.vim b/ale_linters/kotlin/languageserver.vim
index 08f1c055..aea817ba 100644
--- a/ale_linters/kotlin/languageserver.vim
+++ b/ale_linters/kotlin/languageserver.vim
@@ -23,7 +23,7 @@ call ale#linter#Define('kotlin', {
 \   'name': 'languageserver',
 \   'lsp': 'stdio',
 \   'executable_callback': ale#VarFunc('kotlin_languageserver_executable'),
-\   'command_callback': '%e',
+\   'command': '%e',
 \   'language': 'kotlin',
 \   'project_root_callback': 'ale_linters#kotlin#languageserver#GetProjectRoot',
 \})
diff --git a/test/command_callback/test_kotlin_languageserver_command_callback.vader b/test/command_callback/test_kotlin_languageserver_command_callback.vader
new file mode 100644
index 00000000..e83a4f37
--- /dev/null
+++ b/test/command_callback/test_kotlin_languageserver_command_callback.vader
@@ -0,0 +1,8 @@
+Before:
+  call ale#assert#SetUpLinterTest('kotlin', 'languageserver')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The default command should be correct):
+  AssertLinter 'kotlin-language-server', ale#Escape('kotlin-language-server')