diff --git a/app/src/main/java/gr/thmmy/mthmmy/activities/upload/UploadActivity.java b/app/src/main/java/gr/thmmy/mthmmy/activities/upload/UploadActivity.java
index b2b30801..a4e700a4 100644
--- a/app/src/main/java/gr/thmmy/mthmmy/activities/upload/UploadActivity.java
+++ b/app/src/main/java/gr/thmmy/mthmmy/activities/upload/UploadActivity.java
@@ -22,6 +22,7 @@ import android.text.Spannable;
 import android.text.TextWatcher;
 import android.text.method.LinkMovementMethod;
 import android.text.style.ForegroundColorSpan;
+import android.view.ContextThemeWrapper;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.AdapterView;
@@ -223,10 +224,12 @@ public class UploadActivity extends BaseActivity {
             if (layoutInflater == null) {
                 return;
             }
+
+            Context wrapper = new ContextThemeWrapper(this, R.style.PopupWindow);
             View popUpContent = layoutInflater.inflate(R.layout.activity_upload_filename_info_popup, null);
 
             //Creates the PopupWindow
-            PopupWindow popUp = new PopupWindow(view.getContext());
+            PopupWindow popUp = new PopupWindow(wrapper);
             popUp.setContentView(popUpContent);
             popUp.setWidth(LinearLayout.LayoutParams.WRAP_CONTENT);
             popUp.setHeight(LinearLayout.LayoutParams.WRAP_CONTENT);
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index 52f525c2..78909d7b 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -54,6 +54,10 @@
         <item name="android:paddingBottom">8dp</item>
     </style>
 
+    <style name="PopupWindow" parent="Widget.AppCompat.PopupWindow">
+        <item name="android:background">@android:color/transparent</item>
+    </style>
+
     <style name="ToolbarTheme" parent="ThemeOverlay.AppCompat.Light">
         <item name="android:textColorPrimary">@android:color/white</item>
         <item name="android:colorBackground">@color/colorPrimary</item>