diff --git a/app/src/main/res/layout/fragment_login_join.xml b/app/src/main/res/layout/fragment_login_join.xml
index 53cd1df89..352349dfd 100644
--- a/app/src/main/res/layout/fragment_login_join.xml
+++ b/app/src/main/res/layout/fragment_login_join.xml
@@ -86,6 +86,7 @@
 
             <com.google.android.material.button.MaterialButton
                 android:id="@+id/join_mastodon"
+                style="@style/MyButtonColored"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_marginTop="12dp"
diff --git a/app/src/main/res/layout/fragment_login_register_mastodon.xml b/app/src/main/res/layout/fragment_login_register_mastodon.xml
index 4d2e32cc4..40adeb0f1 100644
--- a/app/src/main/res/layout/fragment_login_register_mastodon.xml
+++ b/app/src/main/res/layout/fragment_login_register_mastodon.xml
@@ -151,6 +151,7 @@
 
     <com.google.android.material.button.MaterialButton
         android:id="@+id/signup"
+        style="@style/MyButtonColored"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:text="@string/sign_up" />
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index 52027b6ca..98d258330 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -187,7 +187,7 @@
         <item name="iconTint">@color/cyanea_accent_dark_reference</item>
         <item name="strokeColor">@color/cyanea_accent_dark_reference</item>
         <item name="rippleColor">@color/cyanea_accent_dark_reference</item>
-        <item name="android:backgroundTint">@color/cyanea_accent_dark_reference</item>
+        <item name="backgroundTint">@color/cyanea_accent_dark_reference</item>
     </style>
 
     <style name="MyOutlinedButton" parent="Widget.MaterialComponents.Button.OutlinedButton">