diff --git a/pkg/shell-operator/operator.go b/pkg/shell-operator/operator.go
index 91feb723..73306142 100644
--- a/pkg/shell-operator/operator.go
+++ b/pkg/shell-operator/operator.go
@@ -83,6 +83,10 @@ func NewShellOperator(ctx context.Context, opts ...Option) *ShellOperator {
 		opt(so)
 	}
 
+	if so.logger == nil {
+		so.logger = log.NewLogger(log.Options{}).Named("shell-operator")
+	}
+
 	return so
 }
 
diff --git a/test/utils/jsonloganalyzer.go b/test/utils/jsonloganalyzer.go
index c6ae8396..a95a1ae1 100644
--- a/test/utils/jsonloganalyzer.go
+++ b/test/utils/jsonloganalyzer.go
@@ -29,11 +29,11 @@ func NewJsonLogAnalyzer() *JsonLogAnalyzer {
 }
 
 func (a *JsonLogAnalyzer) AddGroup(analyzers ...*JsonLogMatcher) {
-	r.Matchers = append(r.Matchers, analyzers)
+	a.Matchers = append(a.Matchers, analyzers)
 }
 
 func (a *JsonLogAnalyzer) OnStop(fn func()) {
-	r.OnStopFn = fn
+	a.OnStopFn = fn
 }
 
 func (a *JsonLogAnalyzer) Finished() bool {