diff --git a/pkg/sql/sqlstats/ssmemstorage/ss_mem_storage.go b/pkg/sql/sqlstats/ssmemstorage/ss_mem_storage.go
index 47728138f51a..700f79259c56 100644
--- a/pkg/sql/sqlstats/ssmemstorage/ss_mem_storage.go
+++ b/pkg/sql/sqlstats/ssmemstorage/ss_mem_storage.go
@@ -400,7 +400,7 @@ type stmtStats struct {
 	}
 }
 
-func (s *stmtStats) sizeUnsafe() int64 {
+func (s *stmtStats) sizeUnsafeLocked() int64 {
 	const stmtStatsShallowSize = int64(unsafe.Sizeof(stmtStats{}))
 	databaseNameSize := int64(len(s.mu.database))
 
@@ -832,7 +832,7 @@ func (s *Container) Add(ctx context.Context, other *Container) (err error) {
 			// If we created a new entry for the fingerprint, we check if we have
 			// exceeded our memory budget.
 			if created {
-				estimatedAllocBytes := stats.sizeUnsafe() + k.size() + 8 /* stmtKey hash */
+				estimatedAllocBytes := stats.sizeUnsafeLocked() + k.size() + 8 /* stmtKey hash */
 				// We still want to continue this loop to merge stats that are already
 				// present in our map that do not require allocation.
 				if latestErr := func() error {
diff --git a/pkg/sql/sqlstats/ssmemstorage/ss_mem_writer.go b/pkg/sql/sqlstats/ssmemstorage/ss_mem_writer.go
index 440571c647f7..b1fdbe6d2cee 100644
--- a/pkg/sql/sqlstats/ssmemstorage/ss_mem_writer.go
+++ b/pkg/sql/sqlstats/ssmemstorage/ss_mem_writer.go
@@ -173,7 +173,7 @@ func (s *Container) RecordStatement(
 
 	if created {
 		// stats size + stmtKey size + hash of the statementKey
-		estimatedMemoryAllocBytes := stats.sizeUnsafe() + statementKey.size() + 8
+		estimatedMemoryAllocBytes := stats.sizeUnsafeLocked() + statementKey.size() + 8
 
 		// We also account for the memory used for s.sampledPlanMetadataCache.
 		// timestamp size + key size + hash.