Fix ubsan failure in bscontroller KIKIMR-18924

1 files changed, 1 insertions, 1 deletions

diff --git a/ydb/core/mind/bscontroller/config_fit_groups.cpp b/ydb/core/mind/bscontroller/config_fit_groups.cpp
index 004ef1f7f0..21ba334e90 100644
--- a/ydb/core/mind/bscontroller/config_fit_groups.cpp
+++ b/ydb/core/mind/bscontroller/config_fit_groups.cpp
@@ -321,7 +321,7 @@ namespace NKikimr {
                             for (const auto& [pos, vslotId] : replacedSlots) {
                                 const TPDiskId& pdiskId = group[pos.FailRealm][pos.FailDomain][pos.VDisk];
                                 const TPDiskInfo *pdisk = State.PDisks.Find(pdiskId);
-                                if (!pdisk->SlotSpaceEnforced(State.Self)) {
+                                if (requiredSpace != Min<i64>() && !pdisk->SlotSpaceEnforced(State.Self)) {
                                     Mapper->AdjustSpaceAvailable(pdiskId, -requiredSpace);
                                 }
                             }