diff --git a/core/src/main/java/org/elasticsearch/index/translog/CountedBitSet.java b/core/src/main/java/org/elasticsearch/index/translog/CountedBitSet.java
index a2ae3970a39a9..ca1ae279a999d 100644
--- a/core/src/main/java/org/elasticsearch/index/translog/CountedBitSet.java
+++ b/core/src/main/java/org/elasticsearch/index/translog/CountedBitSet.java
@@ -29,7 +29,7 @@
  * from translog as these numbers are likely to form contiguous ranges (eg. filling all bits).
  */
 final class CountedBitSet extends BitSet {
-    private static final long BASE_RAM_BYTES_USED = RamUsageEstimator.shallowSizeOfInstance(CountedBitSet.class);
+    static final long BASE_RAM_BYTES_USED = RamUsageEstimator.shallowSizeOfInstance(CountedBitSet.class);
     private short onBits; // Number of bits are set.
     private FixedBitSet bitset;
 
diff --git a/core/src/test/java/org/elasticsearch/index/translog/CountedBitSetTests.java b/core/src/test/java/org/elasticsearch/index/translog/CountedBitSetTests.java
index 3293038565dae..b68607f02d6bf 100644
--- a/core/src/test/java/org/elasticsearch/index/translog/CountedBitSetTests.java
+++ b/core/src/test/java/org/elasticsearch/index/translog/CountedBitSetTests.java
@@ -26,6 +26,7 @@
 import java.util.stream.Collectors;
 import java.util.stream.IntStream;
 
+import static org.hamcrest.Matchers.allOf;
 import static org.hamcrest.Matchers.equalTo;
 import static org.hamcrest.Matchers.lessThan;
 
@@ -82,7 +83,7 @@ public void testReleaseInternalBitSet() {
             assertThat(countedBitSet.isInternalBitsetReleased(), equalTo(true));
             assertThat(countedBitSet.length(), equalTo(numBits));
             assertThat(countedBitSet.cardinality(), equalTo(numBits));
-            assertThat(countedBitSet.ramBytesUsed(), lessThan(ramBytesUsedWithBitSet));
+            assertThat(countedBitSet.ramBytesUsed(), allOf(equalTo(CountedBitSet.BASE_RAM_BYTES_USED), lessThan(ramBytesUsedWithBitSet)));
         }
 
         // Tests with released internal bitset.