diff --git a/src/dstack/_internal/core/backends/nebius/models.py b/src/dstack/_internal/core/backends/nebius/models.py
index 5d9c491738..d7eb3a9ed7 100644
--- a/src/dstack/_internal/core/backends/nebius/models.py
+++ b/src/dstack/_internal/core/backends/nebius/models.py
@@ -5,7 +5,7 @@
 from dstack._internal.core.backends.base.models import fill_data
 from dstack._internal.core.models.common import CoreModel
 
-DEFAULT_PROJECT_NAME_PREFIX = "default-project"
+DEFAULT_PROJECT_NAME_PREFIX = "default"
 
 
 class NebiusServiceAccountCreds(CoreModel):