diff --git a/komga/src/main/kotlin/org/gotson/komga/domain/service/FileSystemScanner.kt b/komga/src/main/kotlin/org/gotson/komga/domain/service/FileSystemScanner.kt
index 7feaefd62..ad58cb128 100644
--- a/komga/src/main/kotlin/org/gotson/komga/domain/service/FileSystemScanner.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/domain/service/FileSystemScanner.kt
@@ -3,6 +3,7 @@ package org.gotson.komga.domain.service
 import mu.KotlinLogging
 import org.apache.commons.io.FilenameUtils
 import org.gotson.komga.domain.model.Book
+import org.gotson.komga.domain.model.DirectoryNotFoundException
 import org.gotson.komga.domain.model.Series
 import org.gotson.komga.infrastructure.configuration.KomgaProperties
 import org.springframework.stereotype.Service
@@ -16,7 +17,6 @@ import java.nio.file.attribute.BasicFileAttributes
 import java.nio.file.attribute.FileTime
 import java.time.LocalDateTime
 import java.time.ZoneId
-import kotlin.io.path.isHidden
 import kotlin.streams.asSequence
 import kotlin.time.measureTime
 
@@ -35,6 +35,9 @@ class FileSystemScanner(
     logger.info { "Excluded patterns: ${komgaProperties.librariesScanDirectoryExclusions}" }
     logger.info { "Force directory modified time: $forceDirectoryModifiedTime" }
 
+    if(!(Files.isDirectory(root) && Files.isReadable(root)))
+      throw DirectoryNotFoundException("Library root is not accessible: $root")
+
     lateinit var scannedSeries: Map<Series, List<Book>>
 
     measureTime {
diff --git a/komga/src/test/kotlin/org/gotson/komga/domain/service/FileSystemScannerTest.kt b/komga/src/test/kotlin/org/gotson/komga/domain/service/FileSystemScannerTest.kt
index be210d892..22f035f3b 100644
--- a/komga/src/test/kotlin/org/gotson/komga/domain/service/FileSystemScannerTest.kt
+++ b/komga/src/test/kotlin/org/gotson/komga/domain/service/FileSystemScannerTest.kt
@@ -4,8 +4,11 @@ import com.google.common.jimfs.Configuration
 import com.google.common.jimfs.Jimfs
 import org.apache.commons.io.FilenameUtils
 import org.assertj.core.api.Assertions.assertThat
+import org.assertj.core.api.Assertions.catchThrowable
+import org.gotson.komga.domain.model.DirectoryNotFoundException
 import org.gotson.komga.infrastructure.configuration.KomgaProperties
 import org.junit.jupiter.api.Test
+import java.lang.Exception
 import java.nio.file.Files
 import java.nio.file.Path
 
@@ -17,6 +20,20 @@ class FileSystemScannerTest {
 
   private val scanner = FileSystemScanner(komgaProperties)
 
+  @Test
+  fun `given unavailable root directory when scanning then throw exception`() {
+    Jimfs.newFileSystem(Configuration.unix()).use { fs ->
+      // given
+      val root = fs.getPath("/root")
+
+      // when
+      val thrown = catchThrowable { scanner.scanRootFolder(root) }
+
+      // then
+      assertThat(thrown).isInstanceOf(DirectoryNotFoundException::class.java)
+    }
+  }
+
   @Test
   fun `given empty root directory when scanning then return empty list`() {
     Jimfs.newFileSystem(Configuration.unix()).use { fs ->