diff --git a/plugin/src/main/kotlin/org/jlleitschuh/gradle/ktlint/GitHook.kt b/plugin/src/main/kotlin/org/jlleitschuh/gradle/ktlint/GitHook.kt
index 73f5f266..ebcd4044 100644
--- a/plugin/src/main/kotlin/org/jlleitschuh/gradle/ktlint/GitHook.kt
+++ b/plugin/src/main/kotlin/org/jlleitschuh/gradle/ktlint/GitHook.kt
@@ -2,12 +2,10 @@ package org.jlleitschuh.gradle.ktlint
 
 import org.eclipse.jgit.lib.RepositoryBuilder
 import org.gradle.api.DefaultTask
-import org.gradle.api.file.DirectoryProperty
 import org.gradle.api.file.ProjectLayout
 import org.gradle.api.model.ObjectFactory
 import org.gradle.api.provider.Property
 import org.gradle.api.tasks.Input
-import org.gradle.api.tasks.InputDirectory
 import org.gradle.api.tasks.TaskAction
 import org.intellij.lang.annotations.Language
 import org.jlleitschuh.gradle.ktlint.tasks.BaseKtLintCheckTask
@@ -150,19 +148,13 @@ open class KtlintInstallGitHookTask @Inject constructor(
     @get:Input
     internal val hookName: Property<String> = objectFactory.property(String::class.java)
 
-    @get:InputDirectory
-    internal val projectDir: DirectoryProperty = objectFactory.directoryProperty().apply {
-        set(projectLayout.projectDirectory)
-    }
+    private val projectDir = projectLayout.projectDirectory.asFile
 
-    @get:InputDirectory
-    internal val rootDirectory: DirectoryProperty = objectFactory.directoryProperty().apply {
-        set(project.rootDir)
-    }
+    private val rootDirectory = project.rootDir
 
     @TaskAction
     fun installHook() {
-        val repo = RepositoryBuilder().findGitDir(projectDir.get().asFile).setMustExist(false).build()
+        val repo = RepositoryBuilder().findGitDir(projectDir).setMustExist(false).build()
         if (!repo.objectDatabase.exists()) {
             logger.warn("No git folder was found!")
             return
@@ -181,7 +173,7 @@ open class KtlintInstallGitHookTask @Inject constructor(
             gitHookFile.createNewFile()
             gitHookFile.setExecutable(true)
         }
-        val gradleRootDirPrefix = rootDirectory.get().asFile.relativeTo(repo.workTree).path
+        val gradleRootDirPrefix = rootDirectory.relativeTo(repo.workTree).path
 
         if (gitHookFile.length() == 0L) {
             gitHookFile.writeText(