diff --git a/erigon-lib/common/dbg/experiments.go b/erigon-lib/common/dbg/experiments.go
index f8e8532aa65..db8773f6d92 100644
--- a/erigon-lib/common/dbg/experiments.go
+++ b/erigon-lib/common/dbg/experiments.go
@@ -53,8 +53,7 @@ var (
 
 	// allow simultaneous build of multiple snapshot types.
 	// Values from 1 to 4 makes sense since we have only 3 types of snapshots.
-
-	BuildSnapshotAllowance = EnvInt("SNAPSHOT_BUILD_SEMA_SIZE", 1)
+	BuildSnapshotAllowance = EnvInt("SNAPSHOT_BUILD_SEMA_SIZE", 2) // allows 2 kind of snapshots to be built simultaneously (e.g Caplin+Domains)
 
 	SnapshotMadvRnd       = EnvBool("SNAPSHOT_MADV_RND", true)
 	KvMadvNormalNoLastLvl = EnvString("KV_MADV_NORMAL_NO_LAST_LVL", "")