diff --git a/src/bucket/LiveBucketIndex.cpp b/src/bucket/LiveBucketIndex.cpp
index 1142a621be..e0122b2340 100644
--- a/src/bucket/LiveBucketIndex.cpp
+++ b/src/bucket/LiveBucketIndex.cpp
@@ -202,7 +202,7 @@ LiveBucketIndex::getCachedEntry(LedgerKey const& k) const
 {
     if (shouldUseCache() && isCachedType(k))
     {
-        SharedLockShared lock(mCacheMutex);
+        SharedLockExclusive lock(mCacheMutex);
         auto cachePtr = mCache->maybeGet(k);
         if (cachePtr)
         {