diff --git a/SignalServiceKit/src/TSConstants.h b/SignalServiceKit/src/TSConstants.h
index 2ab6e363f..375f09609 100644
--- a/SignalServiceKit/src/TSConstants.h
+++ b/SignalServiceKit/src/TSConstants.h
@@ -22,6 +22,10 @@ typedef NS_ENUM(NSInteger, TSWhisperMessageType) {
 #define kLegalTermsUrlString @"https://signal.org/legal/"
 #define SHOW_LEGAL_TERMS_LINK
 
+#ifdef DEBUG
+#define CONTACT_DISCOVERY_SERVICE
+#endif
+
 //#ifndef DEBUG
 
 // Production