diff --git a/app/build.gradle b/app/build.gradle
index 6bd02ed..8c1b5c5 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -21,7 +21,7 @@ if (hasProperty("nosplits")) {
 
 android {
     compileSdk 34
-    ndkVersion "25.1.8937393"
+    ndkVersion "25.2.9519653"
     namespace "sushi.hardcore.droidfs"
 
     compileOptions {
@@ -37,8 +37,8 @@ android {
         applicationId "sushi.hardcore.droidfs"
         minSdkVersion 21
         targetSdkVersion 32
-        versionCode 32
-        versionName "2.0.2"
+        versionCode 33
+        versionName "2.1.0"
 
         ndk {
             abiFilters "x86", "x86_64", "armeabi-v7a", "arm64-v8a"
diff --git a/app/src/main/java/sushi/hardcore/droidfs/VolumeDatabase.kt b/app/src/main/java/sushi/hardcore/droidfs/VolumeDatabase.kt
index ae29df2..36de73c 100644
--- a/app/src/main/java/sushi/hardcore/droidfs/VolumeDatabase.kt
+++ b/app/src/main/java/sushi/hardcore/droidfs/VolumeDatabase.kt
@@ -161,7 +161,7 @@ class VolumeDatabase(private val context: Context): SQLiteOpenHelper(context, Co
                 put(COLUMN_TYPE, byteArrayOf(volume.type))
                 put(COLUMN_HASH, volume.encryptedHash)
                 put(COLUMN_IV, volume.iv)
-            }) == 1.toLong())
+            }) >= 0.toLong())
         }
         return false
     }
diff --git a/libpdfviewer b/libpdfviewer
index 59973a6..2296593 160000
--- a/libpdfviewer
+++ b/libpdfviewer
@@ -1 +1 @@
-Subproject commit 59973a6b42485b0c430123c8be649fb24689b9f3
+Subproject commit 22965932759f232328810eadf3f02671b5c6ff99