diff --git a/app/src/main/res/drawable/shape_thumb.xml b/app/src/main/res/drawable/shape_thumb.xml
index 32f0e5f4..82ffcb94 100644
--- a/app/src/main/res/drawable/shape_thumb.xml
+++ b/app/src/main/res/drawable/shape_thumb.xml
@@ -12,5 +12,5 @@
         android:paddingLeft="22dp"
         android:paddingRight="22dp" />
 
-    <solid android:color="@color/material_dynamic_primary20" />
+    <solid android:color="@android:color/black" />
 </shape>
\ No newline at end of file