diff --git a/roaring/roaring_pooling_test.go b/roaring/roaring_pooling_test.go
new file mode 100644
index 00000000..ec6945ae
--- /dev/null
+++ b/roaring/roaring_pooling_test.go
@@ -0,0 +1,43 @@
+package roaring
+
+import (
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+)
+
+// TestBitmap_Reset verifies that the Reset method always restores a Bitmap
+// to a state indistinguishable from a new one.
+func TestBitmap_Reset(t *testing.T) {
+	bm := NewBitmapWithDefaultPooling(10)
+
+	i := uint64(0)
+	for {
+		if i >= 10000 {
+			break
+		}
+
+		bm.Add(10000 * i)
+		i++
+	}
+	untouched := NewBitmapWithDefaultPooling(10)
+	bm.Reset()
+
+	if !cmp.Equal(untouched, bm, cmp.Comparer(func(x, y Bitmap) bool {
+		if x.Containers.Size() != y.Containers.Size() {
+			return false
+		}
+		if x.Containers.Count() != y.Containers.Count() {
+			return false
+		}
+		if x.opN != y.opN {
+			return false
+		}
+		if x.OpWriter != y.OpWriter {
+			return false
+		}
+		return true
+	})) {
+		t.Fatalf("Reset bitmap: %+v is not identical to new bitmap: %+v", bm, untouched)
+	}
+}
diff --git a/roaring/roaring_test.go b/roaring/roaring_test.go
index fafc0f9d..694a4746 100644
--- a/roaring/roaring_test.go
+++ b/roaring/roaring_test.go
@@ -1406,28 +1406,6 @@ func TestBitmap_Intersect(t *testing.T) {
 	}
 }
 
-// TestBitmap_Reset verifies that the Reset method always restores a Bitmap
-// to a state indistinguishable from a new one.
-func TestBitmap_Reset(t *testing.T) {
-	bm := roaring.NewBitmapWithDefaultPooling(10)
-
-	i := uint64(0)
-	for {
-		if i >= 10000 {
-			break
-		}
-
-		bm.Add(10000 * i)
-		i++
-	}
-
-	untouched := roaring.NewBitmapWithDefaultPooling(10)
-	bm.Reset()
-	if !reflect.DeepEqual(untouched, bm) {
-		t.Fatalf("Reset bitmap: %+v is not identical to new bitmap: %+v", bm, untouched)
-	}
-}
-
 func BenchmarkGetBenchData(b *testing.B) {
 	for i := 0; i < b.N; i++ {
 		sampleData = benchmarkSampleData{}
diff --git a/translate.go b/translate.go
index 9ef7e9a2..63adb00f 100644
--- a/translate.go
+++ b/translate.go
@@ -252,6 +252,8 @@ func (s *TranslateFile) size() int64 {
 
 // isReadOnly returns true if this store is being replicated from a primary store.
 func (s *TranslateFile) isReadOnly() bool {
+	s.mu.RLock()
+	defer s.mu.RUnlock()
 	return s.PrimaryTranslateStore != nil
 }