diff --git a/ldm/invoke/args.py b/ldm/invoke/args.py
index e0b6315e3b..36272c8ddd 100644
--- a/ldm/invoke/args.py
+++ b/ldm/invoke/args.py
@@ -234,6 +234,8 @@ class Args(object):
             switches.append('--seamless')
         if a['hires_fix']:
             switches.append('--hires_fix')
+            if a['strength'] and a['strength']>0:
+                switches.append(f'-f {a["strength"]}')
 
         # img2img generations have parameters relevant only to them and have special handling
         if a['init_img'] and len(a['init_img'])>0: