diff --git a/pkgs/by-name/ta/taler-exchange/package.nix b/pkgs/by-name/ta/taler-exchange/package.nix
index dc4bc7fac66c..185af90a718b 100644
--- a/pkgs/by-name/ta/taler-exchange/package.nix
+++ b/pkgs/by-name/ta/taler-exchange/package.nix
@@ -19,6 +19,7 @@
   gettext,
   texinfo,
   libtool,
+  nixosTests,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -109,6 +110,8 @@ stdenv.mkDerivation (finalAttrs: {
 
   checkTarget = "check";
 
+  passthru.tests = nixosTests.taler.basic;
+
   meta = {
     description = "Exchange component for the GNU Taler electronic payment system";
     longDescription = ''
diff --git a/pkgs/by-name/ta/taler-merchant/package.nix b/pkgs/by-name/ta/taler-merchant/package.nix
index d6b620dbaf18..90bfac3411bb 100644
--- a/pkgs/by-name/ta/taler-merchant/package.nix
+++ b/pkgs/by-name/ta/taler-merchant/package.nix
@@ -14,6 +14,7 @@
   libgcrypt,
   texinfo,
   curl,
+  nixosTests,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -98,6 +99,8 @@ stdenv.mkDerivation (finalAttrs: {
 
   checkTarget = "check";
 
+  passthru.tests = nixosTests.taler.basic;
+
   meta = {
     description = "Merchant component for the GNU Taler electronic payment system";
     longDescription = ''