diff --git a/rsconcept/backend/apps/rsform/models/LibraryItem.py b/rsconcept/backend/apps/rsform/models/LibraryItem.py
index 144c6116..56813796 100644
--- a/rsconcept/backend/apps/rsform/models/LibraryItem.py
+++ b/rsconcept/backend/apps/rsform/models/LibraryItem.py
@@ -41,7 +41,7 @@ class LocationHead(TextChoices):
     COMMON = '/S'
 
 
-_RE_LOCATION = r'^/[PLUS]((/[!\d\w]([!\d\w ]*[!\d\w])?)*)?$'  # cspell:disable-line
+_RE_LOCATION = r'^/[PLUS]((/[!\d\w]([!\d\w\- ]*[!\d\w])?)*)?$'  # cspell:disable-line
 
 
 def validate_location(target: str) -> bool:
diff --git a/rsconcept/backend/apps/rsform/tests/s_models/t_LibraryItem.py b/rsconcept/backend/apps/rsform/tests/s_models/t_LibraryItem.py
index 5b6bed05..e9922a9c 100644
--- a/rsconcept/backend/apps/rsform/tests/s_models/t_LibraryItem.py
+++ b/rsconcept/backend/apps/rsform/tests/s_models/t_LibraryItem.py
@@ -87,13 +87,17 @@ class TestLocation(TestCase):
         self.assertFalse(validate_location('/S/1/'))
         self.assertFalse(validate_location('/S/1 '))
         self.assertFalse(validate_location('/S/1/2 /3'))
+        self.assertFalse(validate_location('/S/-'))
+        self.assertFalse(validate_location('/S/1-'))
 
         self.assertTrue(validate_location('/P'))
         self.assertTrue(validate_location('/L'))
         self.assertTrue(validate_location('/U'))
         self.assertTrue(validate_location('/S'))
         self.assertTrue(validate_location('/S/1'))
+        self.assertTrue(validate_location('/S/1-2'))
+        self.assertTrue(validate_location('/S/20210101 asdf-a/2'))
         self.assertTrue(validate_location('/S/12'))
         self.assertTrue(validate_location('/S/12/3'))
-        self.assertTrue(validate_location('/S/Вася пупки'))
+        self.assertTrue(validate_location('/S/Вася шофер'))
         self.assertTrue(validate_location('/S/1/!asdf/тест тест'))
diff --git a/rsconcept/backend/apps/rsform/views/rsforms.py b/rsconcept/backend/apps/rsform/views/rsforms.py
index feb4438d..1af946f1 100644
--- a/rsconcept/backend/apps/rsform/views/rsforms.py
+++ b/rsconcept/backend/apps/rsform/views/rsforms.py
@@ -452,7 +452,7 @@ def create_rsform(request: Request):
     if 'file' not in request.FILES:
         return Response(
             status=c.HTTP_400_BAD_REQUEST,
-            data={f'file': msg.missingFile()}
+            data={'file': msg.missingFile()}
         )
     else:
         data = utils.read_zipped_json(request.FILES['file'].file, utils.EXTEOR_INNER_FILENAME)
diff --git a/rsconcept/frontend/src/models/libraryAPI.ts b/rsconcept/frontend/src/models/libraryAPI.ts
index 7f3c6d86..6e6a13fc 100644
--- a/rsconcept/frontend/src/models/libraryAPI.ts
+++ b/rsconcept/frontend/src/models/libraryAPI.ts
@@ -7,7 +7,7 @@ import { TextMatcher } from '@/utils/utils';
 
 import { ILibraryItem } from './library';
 
-const LOCATION_REGEXP = /^\/[PLUS]((\/[!\d\p{L}]([!\d\p{L} ]*[!\d\p{L}])?)*)?$/u; // cspell:disable-line
+const LOCATION_REGEXP = /^\/[PLUS]((\/[!\d\p{L}]([!\d\p{L}\- ]*[!\d\p{L}])?)*)?$/u; // cspell:disable-line
 
 /**
  * Checks if a given target {@link ILibraryItem} matches the specified query.