diff --git a/ptxdist/rules/ecu-codesys.make b/ptxdist/rules/ecu-codesys.make
index 5d2b021..df0efb9 100644
--- a/ptxdist/rules/ecu-codesys.make
+++ b/ptxdist/rules/ecu-codesys.make
@@ -102,7 +102,8 @@ $(STATEDIR)/ecu-codesys.targetinstall:
 	@$(call install_replace, ecu-codesys, /sbin/update-ecu-codesys-application.sh, @ECU_PATH_ON_STICK@, "ecu02" )
 	@$(call install_copy, ecu-codesys, 0, 0, 0755, $(ECU_CODESYS_DIR)/90_update_codesys_application, /etc/usbmount/mount.d/90_update_codesys_application)
 
-	@$(call install_link, ecu-codesys, /lib/systemd/system/codesys3-rt.service, /etc/systemd/system/application.target.wants/codesys3-rt.service)
+# service disabled for teststand usage
+#	@$(call install_link, ecu-codesys, /lib/systemd/system/codesys3-rt.service, /etc/systemd/system/application.target.wants/codesys3-rt.service)
 
 	@$(call install_finish, ecu-codesys)