diff --git a/sist2-admin/frontend/src/components/ScanOptions.vue b/sist2-admin/frontend/src/components/ScanOptions.vue
index a000156..a19d8c9 100644
--- a/sist2-admin/frontend/src/components/ScanOptions.vue
+++ b/sist2-admin/frontend/src/components/ScanOptions.vue
@@ -7,7 +7,7 @@
     <b-form-input type="number" min="1" v-model="options.threads" @change="update()"></b-form-input>
 
     <label>{{ $t("scanOptions.thumbnailQuality") }}</label>
-    <b-form-input type="number" min="1" max="31" v-model="options.thumbnail_quality" @change="update()"></b-form-input>
+    <b-form-input type="number" min="0" max="100" v-model="options.thumbnail_quality" @change="update()"></b-form-input>
 
     <label>{{ $t("scanOptions.thumbnailCount") }}</label>
     <b-form-input type="number" min="0" max="1000" v-model="options.thumbnail_count" @change="update()"></b-form-input>
diff --git a/sist2-admin/frontend/src/i18n/messages.js b/sist2-admin/frontend/src/i18n/messages.js
index aa652f2..a46b6a3 100644
--- a/sist2-admin/frontend/src/i18n/messages.js
+++ b/sist2-admin/frontend/src/i18n/messages.js
@@ -66,7 +66,7 @@ export default {
             path: "Path",
             threads: "Number of threads",
             memThrottle: "Total memory threshold in MiB for scan throttling",
-            thumbnailQuality: "Thumbnail quality, on a scale of 2 to 32, 2 being the best",
+            thumbnailQuality: "Thumbnail quality, on a scale of 0 to 100, 100 being the best",
             thumbnailCount: "Number of thumbnails to generate. Set a value > 1 to create video previews, set to 0 to disable thumbnails.",
             thumbnailSize: "Thumbnail size, in pixels",
             contentSize: "Number of bytes to be extracted from text documents. Set to 0 to disable",
diff --git a/sist2-admin/sist2_admin/sist2.py b/sist2-admin/sist2_admin/sist2.py
index 8e6b0f9..7d55936 100644
--- a/sist2-admin/sist2_admin/sist2.py
+++ b/sist2-admin/sist2_admin/sist2.py
@@ -109,7 +109,7 @@ def args(self):
 class ScanOptions(BaseModel):
     path: str
     threads: int = 1
-    thumbnail_quality: int = 2
+    thumbnail_quality: int = 50
     thumbnail_size: int = 552
     thumbnail_count: int = 1
     content_size: int = 32768