diff --git a/promql/engine.go b/promql/engine.go
index e6e532248..f405724d3 100644
--- a/promql/engine.go
+++ b/promql/engine.go
@@ -420,7 +420,7 @@ func (ng *Engine) execEvalStmt(ctx context.Context, query *query, s *EvalStmt) (
 		return nil, warnings, err
 	}
 
-	evalSpanTimer, _ := query.stats.GetSpanTimer(ctx, stats.InnerEvalTime, ng.metrics.queryInnerEval)
+	evalSpanTimer, ctxInnerEval := query.stats.GetSpanTimer(ctx, stats.InnerEvalTime, ng.metrics.queryInnerEval)
 	// Instant evaluation. This is executed as a range evaluation with one step.
 	if s.Start == s.End && s.Interval == 0 {
 		start := timeMilliseconds(s.Start)
@@ -428,7 +428,7 @@ func (ng *Engine) execEvalStmt(ctx context.Context, query *query, s *EvalStmt) (
 			startTimestamp:      start,
 			endTimestamp:        start,
 			interval:            1,
-			ctx:                 ctx,
+			ctx:                 ctxInnerEval,
 			maxSamples:          ng.maxSamplesPerQuery,
 			defaultEvalInterval: GetDefaultEvaluationInterval(),
 			logger:              ng.logger,
@@ -470,7 +470,7 @@ func (ng *Engine) execEvalStmt(ctx context.Context, query *query, s *EvalStmt) (
 		startTimestamp:      timeMilliseconds(s.Start),
 		endTimestamp:        timeMilliseconds(s.End),
 		interval:            durationMilliseconds(s.Interval),
-		ctx:                 ctx,
+		ctx:                 ctxInnerEval,
 		maxSamples:          ng.maxSamplesPerQuery,
 		defaultEvalInterval: GetDefaultEvaluationInterval(),
 		logger:              ng.logger,