diff --git a/app/src/main/java/io/github/wulkanowy/activity/dashboard/grades/GradesDialogFragment.java b/app/src/main/java/io/github/wulkanowy/activity/dashboard/grades/GradesDialogFragment.java
index c50ce156a..5138e76a5 100644
--- a/app/src/main/java/io/github/wulkanowy/activity/dashboard/grades/GradesDialogFragment.java
+++ b/app/src/main/java/io/github/wulkanowy/activity/dashboard/grades/GradesDialogFragment.java
@@ -6,6 +6,7 @@ import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.Button;
 import android.widget.TextView;
 
 import io.github.wulkanowy.R;
@@ -35,7 +36,7 @@ public class GradesDialogFragment extends DialogFragment {
         TextView teacherText = view.findViewById(R.id.teacher_dialog_text_value);
         TextView dateText = view.findViewById(R.id.date_dialog_text_value);
         TextView colorText = view.findViewById(R.id.color_dialog_text_value);
-        TextView okTextClick = view.findViewById(R.id.OK_dialog);
+        Button closeDialog = view.findViewById(R.id.close_dialog);
 
         subjectText.setText(grade.getSubject());
         gradeText.setText(grade.getValue());
@@ -58,7 +59,7 @@ public class GradesDialogFragment extends DialogFragment {
             teacherText.setText(grade.getTeacher());
         }
 
-        okTextClick.setOnClickListener(new View.OnClickListener() {
+        closeDialog.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
                 dismiss();
diff --git a/app/src/main/res/layout/grades_dialog.xml b/app/src/main/res/layout/grades_dialog.xml
index 68aa48d3f..4b610000a 100644
--- a/app/src/main/res/layout/grades_dialog.xml
+++ b/app/src/main/res/layout/grades_dialog.xml
@@ -167,23 +167,20 @@
                 android:textIsSelectable="true"
                 android:textSize="12sp" />
 
-            <TextView
-                android:id="@+id/OK_dialog"
-                android:layout_width="40dp"
-                android:layout_height="40dp"
+            <Button
+                android:id="@+id/close_dialog"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
                 android:layout_alignParentBottom="true"
                 android:layout_alignParentEnd="true"
                 android:layout_alignParentRight="true"
-                android:layout_marginBottom="10dp"
-                android:layout_marginEnd="10dp"
-                android:layout_marginRight="10dp"
-                android:background="?attr/selectableItemBackgroundBorderless"
-                android:clickable="true"
+                android:background="?attr/selectableItemBackground"
                 android:focusable="true"
-                android:gravity="center"
-                android:text="@string/ok_text"
-                android:textSize="16sp" />
+                android:text="@string/dialog_close"
+                android:textAllCaps="true"
+                android:textSize="15sp"
+                />
 
         </RelativeLayout>
     </LinearLayout>
-</ScrollView>
\ No newline at end of file
+</ScrollView>
diff --git a/app/src/main/res/values-pl/strings.xml b/app/src/main/res/values-pl/strings.xml
index 483941adc..fd5bbde37 100644
--- a/app/src/main/res/values-pl/strings.xml
+++ b/app/src/main/res/values-pl/strings.xml
@@ -44,7 +44,7 @@
     <string name="color_blue_text">Niebieski</string>
     <string name="color_green_text">Zielony</string>
     <string name="noColor_text">Brak koloru</string>
-    <string name="ok_text">OK</string>
+    <string name="dialog_close">Zamknij</string>
     <string name="refresh_error_text">"Podczas odświeżania zawartości wystąpił błąd. "</string>
     <string name="snackbar_no_grades">Brak nowych ocen</string>
     <string name="snackbar_new_grade">Ilość nowych ocen: %1$d</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 6d5e84593..1266ac87d 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -44,7 +44,7 @@
     <string name="color_blue_text">Blue</string>
     <string name="color_green_text">Green</string>
     <string name="noColor_text">No color</string>
-    <string name="ok_text">OK</string>
+    <string name="dialog_close">Close</string>
     <string name="refresh_error_text">An error occurred while refreshing the content.</string>
     <string name="snackbar_no_grades">No new grades</string>
     <string name="snackbar_new_grade">Number of new grades: %1$d</string>