diff --git a/client/configuration/configuration.py b/client/configuration/configuration.py
index fa6898014cf..32bcee71f02 100644
--- a/client/configuration/configuration.py
+++ b/client/configuration/configuration.py
@@ -499,8 +499,10 @@ def create_search_paths(
                     LOG.warning(f"Unrecognized configuration item: {unrecognized_key}")
 
             return partial_configuration
-        except json.JSONDecodeError as error:
-            raise exceptions.InvalidConfiguration("Invalid JSON file") from error
+        except (json.JSONDecodeError, tomli.TOMLDecodeError) as error:
+            raise exceptions.InvalidConfiguration(
+                f'Invalid {"TOML" if is_pyproject_dot_toml else "JSON"} file'
+            ) from error
 
     @staticmethod
     def from_file(