diff --git a/.idea/misc.xml b/.idea/misc.xml
index d7fd922e..1a395543 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -6,6 +6,7 @@
         <entry key="app/src/main/res/drawable-v24/ic_add.xml" value="0.27685185185185185" />
         <entry key="app/src/main/res/drawable-v24/ic_download.xml" value="0.27685185185185185" />
         <entry key="app/src/main/res/drawable-v24/ic_launcher_foreground.xml" value="0.2814814814814815" />
+        <entry key="app/src/main/res/drawable/dialog_shape.xml" value="0.27685185185185185" />
         <entry key="app/src/main/res/drawable/ic_close.xml" value="0.27685185185185185" />
         <entry key="app/src/main/res/drawable/ic_download_for_offline.xml" value="0.27685185185185185" />
         <entry key="app/src/main/res/drawable/ic_downloading.xml" value="0.2722222222222222" />
diff --git a/app/src/main/java/com/cappielloantonio/play/ui/fragment/dialog/ServerSignupDialog.java b/app/src/main/java/com/cappielloantonio/play/ui/fragment/dialog/ServerSignupDialog.java
index b77df364..313245f4 100644
--- a/app/src/main/java/com/cappielloantonio/play/ui/fragment/dialog/ServerSignupDialog.java
+++ b/app/src/main/java/com/cappielloantonio/play/ui/fragment/dialog/ServerSignupDialog.java
@@ -51,12 +51,14 @@ public class ServerSignupDialog extends DialogFragment {
 
         bind = DialogServerSignupBinding.inflate(LayoutInflater.from(requireContext()));
 
-        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
+        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity(), R.style.AppTheme_Dialog);
 
         builder.setView(bind.getRoot())
                 .setTitle("Add server")
-                .setNeutralButton("Delete", (dialog, id) -> { })
-                .setPositiveButton("Save", (dialog, id) -> { })
+                .setNeutralButton("Delete", (dialog, id) -> {
+                })
+                .setPositiveButton("Save", (dialog, id) -> {
+                })
                 .setNegativeButton("Cancel", (dialog, id) -> dialog.cancel());
 
         return builder.create();
diff --git a/app/src/main/res/drawable/dialog_shape.xml b/app/src/main/res/drawable/dialog_shape.xml
new file mode 100644
index 00000000..66bfb959
--- /dev/null
+++ b/app/src/main/res/drawable/dialog_shape.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid
+        android:color="@color/colorPrimary"/>
+    <corners
+        android:radius="8dp" />
+</shape>
\ No newline at end of file
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index bf88e96a..2759b90e 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -25,12 +25,10 @@
         <item name="alertDialogTheme">@style/AppTheme.Dialog</item>
     </style>
 
-    <style name="AppTheme.Dialog" parent="Theme.MaterialComponents.DayNight.Dialog">
-        <item name="android:background">@color/colorPrimary</item>
-        <item name="colorPrimary">@color/colorAccent</item>
-        <item name="colorAccent">@color/colorAccent</item>
-        <item name="android:windowMinWidthMajor">82%</item>
-        <item name="android:windowMinWidthMinor">82%</item>
+    <style name="AppTheme.Dialog" parent="Theme.AppCompat.DayNight.Dialog.Alert">
+        <item name="android:windowBackground">@drawable/dialog_shape</item>
+        <item name="android:windowMinWidthMajor">86%</item>
+        <item name="android:windowMinWidthMinor">86%</item>
     </style>
 
     <style name="Divider">