diff --git a/briar-android/src/main/java/org/briarproject/briar/android/socialbackup/DarkCrystalImpl.java b/briar-android/src/main/java/org/briarproject/briar/android/socialbackup/DarkCrystalImpl.java
new file mode 100644
index 000000000..7c75acf46
--- /dev/null
+++ b/briar-android/src/main/java/org/briarproject/briar/android/socialbackup/DarkCrystalImpl.java
@@ -0,0 +1,4 @@
+package org.briarproject.briar.android.socialbackup;
+
+public class DarkCrystalImpl {
+}