diff --git a/app/build.gradle b/app/build.gradle
index 9966c6f79..351dc4b3c 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -214,6 +214,7 @@ android {
         buildConfigField "String", "DEFAULT_CURRENCIES", "\"EUR,AUD,GBP,CAD,CNY\""
         buildConfigField "int[]", "MOBILE_COIN_BLACKLIST", "new int[]{98,963,53,850,7}"
         buildConfigField "String", "GIPHY_API_KEY", "\"3o6ZsYH6U6Eri53TXy\""
+        buildConfigField "String", "SIGNAL_CAPTCHA_URL", "\"https://signalcaptchas.org/registration/generate.html\""
         buildConfigField "String", "RECAPTCHA_PROOF_URL", "\"https://signalcaptchas.org/challenge/generate.html\""
 
         buildConfigField "String", "BUILD_DISTRIBUTION_TYPE", "\"unset\""
@@ -352,6 +353,7 @@ android {
             buildConfigField "String", "UNIDENTIFIED_SENDER_TRUST_ROOT", "\"BbqY1DzohE4NUZoVF+L18oUPrK3kILllLEJh2UnPSsEx\""
             buildConfigField "String", "ZKGROUP_SERVER_PUBLIC_PARAMS", "\"ABSY21VckQcbSXVNCGRYJcfWHiAMZmpTtTELcDmxgdFbtp/bWsSxZdMKzfCp8rvIs8ocCU3B37fT3r4Mi5qAemeGeR2X+/YmOGR5ofui7tD5mDQfstAI9i+4WpMtIe8KC3wU5w3Inq3uNWVmoGtpKndsNfwJrCg0Hd9zmObhypUnSkfYn2ooMOOnBpfdanRtrvetZUayDMSC5iSRcXKpdlukrpzzsCIvEwjwQlJYVPOQPj4V0F4UXXBdHSLK05uoPBCQG8G9rYIGedYsClJXnbrgGYG3eMTG5hnx4X4ntARBgELuMWWUEEfSK0mjXg+/2lPmWcTZWR9nkqgQQP0tbzuiPm74H2wMO4u1Wafe+UwyIlIT9L7KLS19Aw8r4sPrXQ==\""
             buildConfigField "String", "MOBILE_COIN_ENVIRONMENT", "\"testnet\""
+            buildConfigField "String", "SIGNAL_CAPTCHA_URL", "\"https://signalcaptchas.org/staging/registration/generate.html\""
             buildConfigField "String", "RECAPTCHA_PROOF_URL", "\"https://signalcaptchas.org/staging/challenge/generate.html\""
 
             buildConfigField "String", "BUILD_ENVIRONMENT_TYPE", "\"Staging\""
diff --git a/app/src/main/java/org/thoughtcrime/securesms/registration/fragments/CaptchaFragment.java b/app/src/main/java/org/thoughtcrime/securesms/registration/fragments/CaptchaFragment.java
index 1c2a583ea..414bd1c1b 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/registration/fragments/CaptchaFragment.java
+++ b/app/src/main/java/org/thoughtcrime/securesms/registration/fragments/CaptchaFragment.java
@@ -13,6 +13,7 @@ import androidx.annotation.Nullable;
 import androidx.lifecycle.ViewModelProviders;
 import androidx.navigation.fragment.NavHostFragment;
 
+import org.thoughtcrime.securesms.BuildConfig;
 import org.thoughtcrime.securesms.LoggingFragment;
 import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.registration.viewmodel.BaseRegistrationViewModel;
@@ -55,7 +56,7 @@ public final class CaptchaFragment extends LoggingFragment {
       }
     });
 
-    webView.loadUrl(RegistrationConstants.SIGNAL_CAPTCHA_URL);
+    webView.loadUrl(BuildConfig.SIGNAL_CAPTCHA_URL);
 
     CaptchaViewModelProvider provider = null;
     if (getArguments() != null) {
diff --git a/app/src/main/java/org/thoughtcrime/securesms/registration/fragments/RegistrationConstants.java b/app/src/main/java/org/thoughtcrime/securesms/registration/fragments/RegistrationConstants.java
index 5d9497fa7..141b6227b 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/registration/fragments/RegistrationConstants.java
+++ b/app/src/main/java/org/thoughtcrime/securesms/registration/fragments/RegistrationConstants.java
@@ -6,7 +6,6 @@ final class RegistrationConstants {
   }
 
   static final String TERMS_AND_CONDITIONS_URL = "https://signal.org/legal";
-  static final String SIGNAL_CAPTCHA_URL       = "https://signalcaptchas.org/registration/generate.html";
   static final String SIGNAL_CAPTCHA_SCHEME    = "signalcaptcha://";
 
 }