diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8571901b892..e21619fc364 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,7 +10,7 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 ### Added
 
-- Add concurrent-safe `Reset` method to `SpanRecorder` in `go.opentelemetry.io/otel/sdk/trace/tracetest`. (#5994)
+- Add `Reset` method to `SpanRecorder` in `go.opentelemetry.io/otel/sdk/trace/tracetest`. (#5994)
 
 ### Changed
 
diff --git a/sdk/trace/tracetest/recorder.go b/sdk/trace/tracetest/recorder.go
index 5b76df2e3ba..732669a17ad 100644
--- a/sdk/trace/tracetest/recorder.go
+++ b/sdk/trace/tracetest/recorder.go
@@ -74,12 +74,12 @@ func (sr *SpanRecorder) Started() []sdktrace.ReadWriteSpan {
 // This method is safe to be called concurrently.
 func (sr *SpanRecorder) Reset() {
 	sr.startedMu.Lock()
-	sr.started = nil
-	sr.startedMu.Unlock()
-
 	sr.endedMu.Lock()
+	defer sr.startedMu.Unlock()
+	defer sr.endedMu.Unlock()
+
+	sr.started = nil
 	sr.ended = nil
-	sr.endedMu.Unlock()
 }
 
 // Ended returns a copy of all ended spans that have been recorded.