diff --git a/featureflags/graph/actions.py b/featureflags/graph/actions.py
index 39e52e5..dc7ce58 100644
--- a/featureflags/graph/actions.py
+++ b/featureflags/graph/actions.py
@@ -39,10 +39,11 @@ async def sign_in(
     conn: SAConnection,
     session: UserSession,
     ldap: BaseLDAP,
-) -> bool:
+) -> tuple[bool, str | None]:
     assert username and password, "Username and password are required"
-    if not await ldap.check_credentials(username, password):
-        return False
+    is_success, error_msg = await ldap.check_credentials(username, password)
+    if not is_success:
+        return False, error_msg
 
     user_id = await get_auth_user(username, conn=conn)
 
@@ -68,7 +69,7 @@ async def sign_in(
     )
 
     session.sign_in(user_id, expiration_time)
-    return True
+    return True, None
 
 
 @track
diff --git a/featureflags/graph/graph.py b/featureflags/graph/graph.py
index 9a884eb..8c0b16a 100644
--- a/featureflags/graph/graph.py
+++ b/featureflags/graph/graph.py
@@ -505,7 +505,7 @@ async def sing_in(ctx: dict, options: dict) -> AuthResult:
         return AuthResult("Password is required")
 
     async with ctx[GraphContext.DB_ENGINE].acquire() as conn:
-        success = await actions.sign_in(
+        is_success, error_msg = await actions.sign_in(
             username,
             password,
             conn=conn,
@@ -513,8 +513,7 @@ async def sing_in(ctx: dict, options: dict) -> AuthResult:
             ldap=ctx[GraphContext.LDAP_SERVICE],
         )
 
-    error = "Invalid username or password" if not success else None
-    return AuthResult(error)
+    return AuthResult(error_msg)
 
 
 @pass_context
diff --git a/featureflags/services/ldap.py b/featureflags/services/ldap.py
index 46b3272..c1839b8 100644
--- a/featureflags/services/ldap.py
+++ b/featureflags/services/ldap.py
@@ -3,7 +3,10 @@
 from string import Template
 
 import ldap3
-from ldap3.core.exceptions import LDAPBindError
+from ldap3.core.exceptions import (
+    LDAPException,
+    LDAPInvalidCredentialsResult,
+)
 
 from featureflags.utils import escape_dn_chars
 
@@ -19,7 +22,7 @@ async def check_credentials(
         *,
         connect_timeout: int = 5,
         receive_timeout: int = 5,
-    ) -> bool:
+    ) -> tuple[bool, str | None]:
         raise NotImplementedError()
 
 
@@ -34,8 +37,8 @@ async def check_credentials(
         *,
         connect_timeout: int = 5,
         receive_timeout: int = 5,
-    ) -> bool:
-        return self.user_is_bound
+    ) -> tuple[bool, str | None]:
+        return self.user_is_bound, None
 
 
 class LDAP(BaseLDAP):
@@ -50,12 +53,13 @@ async def check_credentials(
         *,
         connect_timeout: int = 5,
         receive_timeout: int = 5,
-    ) -> bool:
+    ) -> tuple[bool, str | None]:
         server = ldap3.Server(self._host, connect_timeout=connect_timeout)
 
         dn_tpl = Template(self._base_dn)
         dn = dn_tpl.safe_substitute(user=escape_dn_chars(user))
 
+        error_msg = None
         try:
             with ldap3.Connection(
                 server=server,
@@ -68,8 +72,15 @@ async def check_credentials(
                     "LDAP -> Who am I: %s",
                     connection.extend.standard.who_am_i(),
                 )
-        except LDAPBindError:
+        except LDAPException as e:
             user_is_bound = False
-            log.info("LDAP -> Bind error")
+            if type(e) is LDAPInvalidCredentialsResult:
+                error_msg = "Invalid username or password"
+            else:
+                try:
+                    error_msg = getattr(e, "message")
+                except AttributeError:
+                    error_msg = str(e)
+            log.error(f"LDAP -> Bind error: {error_msg}")
 
-        return user_is_bound
+        return user_is_bound, error_msg
diff --git a/lets.yaml b/lets.yaml
index 57c5b6c..50ce773 100644
--- a/lets.yaml
+++ b/lets.yaml
@@ -82,7 +82,7 @@ commands:
       - build-test
       - postgres-test
     cmd: |
-      docker-compose run --rm test
+      docker compose run --rm test
 
   postgres:
     description: Run postgres
@@ -90,7 +90,7 @@ commands:
 
   postgres-test:
     description: Run postgres test db
-    cmd: docker-compose up -d postgres-test
+    cmd: docker compose up -d postgres-test
 
   apply-migrations-dev:
     description: Apply migrations to local postgres