diff --git a/app/src/main/java/eu/faircode/email/DnsHelper.java b/app/src/main/java/eu/faircode/email/DnsHelper.java
index 093cafeed8..73c3d96598 100644
--- a/app/src/main/java/eu/faircode/email/DnsHelper.java
+++ b/app/src/main/java/eu/faircode/email/DnsHelper.java
@@ -229,7 +229,7 @@ public class DnsHelper {
                     });
 
             // https://github.com/MiniDNS/minidns/issues/102
-            if (client instanceof DnssecClient && !BuildConfig.PLAY_STORE_RELEASE)
+            if (client instanceof DnssecClient && dns_custom)
                 ((DnssecClient) client).setUseHardcodedDnsServers(false);
 
             Log.i("DNS query name=" + type + ":" + name);