diff --git a/.gitignore b/.gitignore
index 868f023..bcfd06a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 *.key
 *.csr
+*.crt
diff --git a/Makefile b/Makefile
index 88915ac..b0466e4 100644
--- a/Makefile
+++ b/Makefile
@@ -64,5 +64,5 @@ all: ca install-ca      ## Generate and install
 domain: $(domain_key) $(domain_csr) $(domain_crt) ## Issue a site certificate
 	rm -f templates/domain.tpl
 coopcloud: ca domain
-	abra app secret insert traefik.$(domain) ssl_cert v1 "`cat $(domain_crt)`"
-	abra app secret insert traefik.$(domain) ssl_key  v1 "`cat $(domain_key)`"
+	abra app secret insert traefik.$(domain) ssl_cert v1 -f $(domain_crt)
+	abra app secret insert traefik.$(domain) ssl_key  v1 -f $(domain_key)