diff --git a/briar-android/src/main/java/org/briarproject/briar/android/socialbackup/CustodianSelectorFragment.java b/briar-android/src/main/java/org/briarproject/briar/android/socialbackup/CustodianSelectorFragment.java
index 1d2580d0f..6f05c0d0f 100644
--- a/briar-android/src/main/java/org/briarproject/briar/android/socialbackup/CustodianSelectorFragment.java
+++ b/briar-android/src/main/java/org/briarproject/briar/android/socialbackup/CustodianSelectorFragment.java
@@ -86,15 +86,19 @@ public class CustodianSelectorFragment extends ContactSelectorFragment {
 
 		int n = selectedContacts.size();
 		int min = 2;
-		boolean enough = n >= min;
+		int max = 7;
+		boolean amountIsValid = (n >= min) && (n <= max);
 
-		item.setVisible(enough);
+		item.setVisible(amountIsValid);
 		if (n == 0) {
 			Toast.makeText(getContext(), String.format(getString(R.string.select_at_least_n_contacts), min),
 					Toast.LENGTH_SHORT).show();
 		} else if (n < min) {
 			Toast.makeText(getContext(), String.format(getString(R.string.select_at_least_n_more_contacts), min - n),
 					Toast.LENGTH_SHORT).show();
+		} else if (n > max) {
+			Toast.makeText(getContext(), String.format(getString(R.string.select_no_more_than_n_contacts), max),
+					Toast.LENGTH_SHORT).show();
 		}
 	}
 
diff --git a/briar-android/src/main/res/values/strings.xml b/briar-android/src/main/res/values/strings.xml
index 4643ce7c0..7ffc0be0d 100644
--- a/briar-android/src/main/res/values/strings.xml
+++ b/briar-android/src/main/res/values/strings.xml
@@ -657,6 +657,7 @@
 
 	<string name="select_at_least_n_contacts">Please select at least %d contacts</string>
 	<string name="select_at_least_n_more_contacts">Please select at least %d more contacts</string>
+	<string name="select_no_more_than_n_contacts">Too many! Please select no more than %d contacts</string>
 
 	<string name="threshold">Choose the minimum number of trusted contacts needed to restore your account</string>
 	<string name="threshold_disabled">Two trusted contacts will be needed to restore your account</string>