diff --git a/.gitignore b/.gitignore
index 97286a7..d891499 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,4 +12,5 @@ tmp
 run-test*
 Akku.*
 srfi
+snow
 
diff --git a/Jenkinsfile b/Jenkinsfile
index e466254..8a5f39e 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -60,7 +60,7 @@ pipeline {
 
     post {
         success {
-            publishCtrfResults("*.json")
+            publishCtrfResults: "*.json"
         }
     }
 }
diff --git a/Makefile b/Makefile
index 501401f..0355b47 100644
--- a/Makefile
+++ b/Makefile
@@ -53,7 +53,7 @@ run-test-venv: build
 	./venv/test
 
 run-test-system: build
-	printf "#!r6rs\n(import (rnrs) (srfi :64) (srfi :98) (retropikzel mouth) (retropikzel ${LIBRARY}))" > run-test.sps
+	printf "#!r6rs\n(import (rnrs) (srfi :64) (srfi :98) (retropikzel mouth) (retropikzel ctrf) (retropikzel ${LIBRARY}))" > run-test.sps
 	echo "(test-runner-current (ctrf-runner))" >> run-test.sps
 	cat ${TESTFILE} >> run-test.sps
 	echo "(import (scheme base) (scheme write) (scheme read) (scheme char) (scheme file) (scheme process-context) (retropikzel mouth) (srfi 64) (retropikzel ctrf) (retropikzel ${LIBRARY}))" > run-test.scm