diff --git a/modules/sd_models.py b/modules/sd_models.py
index b87efed6f..a3d749be8 100644
--- a/modules/sd_models.py
+++ b/modules/sd_models.py
@@ -401,7 +401,7 @@ def load_diffuser_file(model_type, pipeline, checkpoint_info, diffusers_load_con
             diffusers_load_config['use_safetensors'] = True
             diffusers_load_config['cache_dir'] = shared.opts.hfcache_dir # use hfcache instead of diffusers dir as this is for config only in case of single-file
             if shared.opts.stream_load:
-                diffusers_load_config['disable_mmap '] = True
+                diffusers_load_config['disable_mmap'] = True
             if shared.opts.disable_accelerate:
                 from diffusers.utils import import_utils
                 import_utils._accelerate_available = False # pylint: disable=protected-access