diff --git a/tests/gpgme/gpgme-defs.scm b/tests/gpgme/gpgme-defs.scm
index e24db254e..0de589ffe 100644
--- a/tests/gpgme/gpgme-defs.scm
+++ b/tests/gpgme/gpgme-defs.scm
@@ -66,7 +66,9 @@
    (string-append "agent-program " (tool 'gpg-agent) "|--debug-quick-random\n"))
   (create-file
    "gpg-agent.conf"
-   (string-append "pinentry-program " (tool 'pinentry)))
+   (string-append "pinentry-program " (tool 'pinentry))
+   (string-append "scdaemon-program " (tool 'scdaemon))
+   )
 
   (start-agent)
 
diff --git a/tests/gpgsm/gpgsm-defs.scm b/tests/gpgsm/gpgsm-defs.scm
index 711922a27..d99d7dad4 100644
--- a/tests/gpgsm/gpgsm-defs.scm
+++ b/tests/gpgsm/gpgsm-defs.scm
@@ -66,7 +66,9 @@
 	       "disable-crl-checks"
 	       "faked-system-time 1008241200")
   (create-file "gpg-agent.conf"
-	       (string-append "pinentry-program " (tool 'pinentry)))
+	       (string-append "pinentry-program " (tool 'pinentry))
+	       (string-append "scdaemon-program " (tool 'scdaemon))
+	       )
   (start-agent)
   (create-file
    "trustlist.txt"
diff --git a/tests/openpgp/defs.scm b/tests/openpgp/defs.scm
index 1531dc1b1..0cd45ad14 100644
--- a/tests/openpgp/defs.scm
+++ b/tests/openpgp/defs.scm
@@ -349,6 +349,7 @@
 	       "no-grab"
 	       "enable-ssh-support"
 	       (string-append "pinentry-program " (tool 'pinentry))
+	       (string-append "scdaemon-program " (tool 'scdaemon))
 	       ))
 
 ;; Initialize the test environment, install appropriate configuration