diff --git a/matrix.yml b/matrix.yml
index f98e2b7..d625541 100644
--- a/matrix.yml
+++ b/matrix.yml
@@ -13,3 +13,5 @@ scenario:
   - stir-shaken
   - topology-hiding
   - uac-auth
+params:
+  - --exclude topology-hiding/02.th-no-dialog-username
diff --git a/run-all.sh b/run-all.sh
index 64344aa..ac0a926 100755
--- a/run-all.sh
+++ b/run-all.sh
@@ -1,20 +1,14 @@
 #!/bin/bash
 
+DIR="$( dirname "${BASH_SOURCE[0]}")"
+yaml_list() {
+	python3 -c "import yaml;print(' '.join(yaml.safe_load(open('$DIR/matrix.yml'))['$1']))"
+}
+
 # exclude tests that we know they fail for sure
-PARAMS=${PARAMS:---exclude topology-hiding/02.th-no-dialog-username}
+PARAMS=${PARAMS:-$(yaml_list params)}
 
-SETS=${SETS:-startup
-	registration \
-	auth \
-	record-route \
-	dialog \
-	topology-hiding \
-	b2b \
-	uac-auth \
-	stir-shaken \
-	accounting \
-	presence \
-	permissions}
+SETS=${SETS:-$(yaml_list scenario)}
 
 sipssert \
 	$PARAMS \