diff --git a/internal/checks/alerts_absent.go b/internal/checks/alerts_absent.go
index aaa61283..53465757 100644
--- a/internal/checks/alerts_absent.go
+++ b/internal/checks/alerts_absent.go
@@ -59,7 +59,7 @@ func (c AlertsAbsentCheck) Check(ctx context.Context, _ discovery.Path, rule par
 	}
 
 	var hasAbsent bool
-	src := utils.LabelsSource(rule.AlertingRule.Expr.Value.Value, rule.AlertingRule.Expr.Query)
+	src := utils.LabelsSource(rule.AlertingRule.Expr.Value.Value, rule.AlertingRule.Expr.Query.Expr)
 	for _, s := range append(src.Alternatives, src) {
 		if s.Operation == "absent" {
 			hasAbsent = true
diff --git a/internal/checks/alerts_template.go b/internal/checks/alerts_template.go
index 1309d8a0..3de4cee0 100644
--- a/internal/checks/alerts_template.go
+++ b/internal/checks/alerts_template.go
@@ -109,7 +109,7 @@ func (c TemplateCheck) Check(ctx context.Context, _ discovery.Path, rule parser.
 		return nil
 	}
 
-	src := utils.LabelsSource(rule.AlertingRule.Expr.Value.Value, rule.AlertingRule.Expr.Query)
+	src := utils.LabelsSource(rule.AlertingRule.Expr.Value.Value, rule.AlertingRule.Expr.Query.Expr)
 	data := promTemplate.AlertTemplateData(map[string]string{}, map[string]string{}, "", promql.Sample{})
 
 	if rule.AlertingRule.Labels != nil {
diff --git a/internal/checks/promql_fragile.go b/internal/checks/promql_fragile.go
index 616b2f76..cb571edd 100644
--- a/internal/checks/promql_fragile.go
+++ b/internal/checks/promql_fragile.go
@@ -64,7 +64,7 @@ func (c FragileCheck) Check(_ context.Context, _ discovery.Path, rule parser.Rul
 	}
 
 	if rule.AlertingRule != nil {
-		for _, problem := range c.checkSampling(expr.Value.Value, expr.Query) {
+		for _, problem := range c.checkSampling(expr.Value.Value, expr.Query.Expr) {
 			problems = append(problems, Problem{
 				Lines:    expr.Value.Lines,
 				Reporter: c.Reporter(),
@@ -126,7 +126,7 @@ NEXT:
 	return problems
 }
 
-func (c FragileCheck) checkSampling(expr string, node *parser.PromQLNode) (problems []exprProblem) {
+func (c FragileCheck) checkSampling(expr string, node promParser.Node) (problems []exprProblem) {
 	s := utils.LabelsSource(expr, node)
 	for _, src := range append(s.Alternatives, s) {
 		if src.Type != utils.AggregateSource {
diff --git a/internal/parser/utils/source.go b/internal/parser/utils/source.go
index b93fa3e8..8b60e93f 100644
--- a/internal/parser/utils/source.go
+++ b/internal/parser/utils/source.go
@@ -5,8 +5,6 @@ import (
 	"slices"
 	"strings"
 
-	"github.com/cloudflare/pint/internal/parser"
-
 	"github.com/prometheus/prometheus/model/labels"
 	promParser "github.com/prometheus/prometheus/promql/parser"
 	"github.com/prometheus/prometheus/promql/parser/posrange"
@@ -42,8 +40,8 @@ type Source struct {
 	FixedLabels      bool // Labels are fixed and only allowed labels can be present.
 }
 
-func LabelsSource(expr string, node *parser.PromQLNode) Source {
-	return walkNode(expr, node.Expr)
+func LabelsSource(expr string, node promParser.Node) Source {
+	return walkNode(expr, node)
 }
 
 func walkNode(expr string, node promParser.Node) (s Source) {
diff --git a/internal/parser/utils/source_test.go b/internal/parser/utils/source_test.go
index c95cb27b..85c87f39 100644
--- a/internal/parser/utils/source_test.go
+++ b/internal/parser/utils/source_test.go
@@ -1616,7 +1616,7 @@ or avg without(router, colo_id, instance) (router_anycast_prefix_enabled{cidr_us
 				t.Error(err)
 				t.FailNow()
 			}
-			output := utils.LabelsSource(tc.expr, n)
+			output := utils.LabelsSource(tc.expr, n.Expr)
 			require.EqualExportedValues(t, tc.output, output)
 		})
 	}
@@ -1655,7 +1655,7 @@ func TestLabelsSourceCallCoverage(t *testing.T) {
 				t.Error(err)
 				t.FailNow()
 			}
-			output := utils.LabelsSource(b.String(), n)
+			output := utils.LabelsSource(b.String(), n.Expr)
 			require.NotNil(t, output.Call, "no call detected in: %q ~> %+v", b.String(), output)
 			require.Equal(t, name, output.Operation)
 			require.Equal(t, def.ReturnType, output.Returns, "incorrect return type on Source{}")
@@ -1671,6 +1671,6 @@ func TestLabelsSourceCallCoverageFail(t *testing.T) {
 			},
 		},
 	}
-	output := utils.LabelsSource("fake_call()", n)
+	output := utils.LabelsSource("fake_call()", n.Expr)
 	require.Nil(t, output.Call, "no call should have been detected in fake function")
 }