diff --git a/.gitignore b/.gitignore
index 71c11b159..c4f2c8ad0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -28,3 +28,6 @@ pom.xml.*
 #IntelliJ IDEA
 .idea
 *.iml
+
+#OS Specific
+[Tt]humbs.db
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/DeleteFileDialogFragment.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/DeleteFileDialogFragment.java
index f7e41daf7..a859bb045 100644
--- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/DeleteFileDialogFragment.java
+++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/DeleteFileDialogFragment.java
@@ -61,7 +61,8 @@ public class DeleteFileDialogFragment extends DialogFragment {
 
         AlertDialog.Builder alert = new AlertDialog.Builder(activity);
 
-        alert.setIcon(android.R.drawable.ic_dialog_alert);
+
+        alert.setIcon(R.drawable.ic_dialog_alert_holo_light);
         alert.setTitle(R.string.warning);
         alert.setMessage(this.getString(R.string.file_delete_confirmation, deleteFile));
 
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/DeleteKeyDialogFragment.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/DeleteKeyDialogFragment.java
index 3c44bff81..8a8c6a1d6 100644
--- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/DeleteKeyDialogFragment.java
+++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/dialog/DeleteKeyDialogFragment.java
@@ -100,7 +100,7 @@ public class DeleteKeyDialogFragment extends DialogFragment {
             builder.setMessage(R.string.key_deletion_confirmation_multi);
         }
 
-        builder.setIcon(android.R.drawable.ic_dialog_alert);
+        builder.setIcon(R.drawable.ic_dialog_alert_holo_light);
         builder.setPositiveButton(R.string.btn_delete, new DialogInterface.OnClickListener() {
 
             @Override
diff --git a/OpenPGP-Keychain/src/main/res/drawable-hdpi/ic_dialog_alert_holo_light.png b/OpenPGP-Keychain/src/main/res/drawable-hdpi/ic_dialog_alert_holo_light.png
new file mode 100644
index 000000000..1374a53e5
Binary files /dev/null and b/OpenPGP-Keychain/src/main/res/drawable-hdpi/ic_dialog_alert_holo_light.png differ
diff --git a/OpenPGP-Keychain/src/main/res/drawable-mdpi/ic_dialog_alert_holo_light.png b/OpenPGP-Keychain/src/main/res/drawable-mdpi/ic_dialog_alert_holo_light.png
new file mode 100644
index 000000000..9e7f0bd5f
Binary files /dev/null and b/OpenPGP-Keychain/src/main/res/drawable-mdpi/ic_dialog_alert_holo_light.png differ
diff --git a/OpenPGP-Keychain/src/main/res/drawable-xhdpi/ic_dialog_alert_holo_light.png b/OpenPGP-Keychain/src/main/res/drawable-xhdpi/ic_dialog_alert_holo_light.png
new file mode 100644
index 000000000..a99f0621c
Binary files /dev/null and b/OpenPGP-Keychain/src/main/res/drawable-xhdpi/ic_dialog_alert_holo_light.png differ
diff --git a/OpenPGP-Keychain/src/main/res/drawable-xxhdpi/ic_dialog_alert_holo_light.png b/OpenPGP-Keychain/src/main/res/drawable-xxhdpi/ic_dialog_alert_holo_light.png
new file mode 100644
index 000000000..24ec28c2e
Binary files /dev/null and b/OpenPGP-Keychain/src/main/res/drawable-xxhdpi/ic_dialog_alert_holo_light.png differ