diff --git a/lama_cleaner/parse_args.py b/lama_cleaner/parse_args.py
index d6ea7f3..576f6a7 100644
--- a/lama_cleaner/parse_args.py
+++ b/lama_cleaner/parse_args.py
@@ -104,6 +104,11 @@ def parse_args():
         type=str,
         choices=RealESRGANModelNameList,
     )
+    parser.add_argument(
+        "--realesrgan-no-half",
+        action="store_true",
+        help="Disable half precision for RealESRGAN",
+    )
     parser.add_argument("--enable-gfpgan", action="store_true", help=GFPGAN_HELP)
     parser.add_argument(
         "--gfpgan-device", default="cpu", type=str, choices=GFPGAN_AVAILABLE_DEVICES
diff --git a/lama_cleaner/plugins/realesrgan.py b/lama_cleaner/plugins/realesrgan.py
index a33546f..6dcf761 100644
--- a/lama_cleaner/plugins/realesrgan.py
+++ b/lama_cleaner/plugins/realesrgan.py
@@ -11,7 +11,7 @@ from lama_cleaner.plugins.base_plugin import BasePlugin
 class RealESRGANUpscaler(BasePlugin):
     name = "RealESRGAN"
 
-    def __init__(self, name, device):
+    def __init__(self, name, device, no_half=False):
         super().__init__()
         from basicsr.archs.rrdbnet_arch import RRDBNet
         from realesrgan import RealESRGANer
@@ -69,7 +69,7 @@ class RealESRGANUpscaler(BasePlugin):
             scale=model_info["scale"],
             model_path=model_path,
             model=model_info["model"](),
-            half=True if "cuda" in str(device) else False,
+            half=True if "cuda" in str(device) and not no_half else False,
             tile=512,
             tile_pad=10,
             pre_pad=10,
diff --git a/lama_cleaner/server.py b/lama_cleaner/server.py
index b03016a..725f398 100644
--- a/lama_cleaner/server.py
+++ b/lama_cleaner/server.py
@@ -446,7 +446,9 @@ def build_plugins(args):
             f"Initialize {RealESRGANUpscaler.name} plugin: {args.realesrgan_model}, {args.realesrgan_device}"
         )
         plugins[RealESRGANUpscaler.name] = RealESRGANUpscaler(
-            args.realesrgan_model, args.realesrgan_device
+            args.realesrgan_model,
+            args.realesrgan_device,
+            no_half=args.realesrgan_no_half,
         )
     if args.enable_gfpgan:
         logger.info(f"Initialize {GFPGANPlugin.name} plugin")