diff --git a/model/cfm.py b/model/cfm.py
index fdf42937..f70b097f 100644
--- a/model/cfm.py
+++ b/model/cfm.py
@@ -96,7 +96,8 @@ def sample(
     ):
         self.eval()
 
-        cond = cond.half()
+        if cond.device != torch.device('cpu'):
+            cond = cond.half()
 
         # raw wave
 
diff --git a/model/utils.py b/model/utils.py
index e6494a22..ae64b0c6 100644
--- a/model/utils.py
+++ b/model/utils.py
@@ -555,7 +555,8 @@ def repetition_found(text, length = 2, tolerance = 10):
 # load model checkpoint for inference
 
 def load_checkpoint(model, ckpt_path, device, use_ema = True):
-    model = model.half()
+    if device != "cpu":
+        model = model.half()
 
     ckpt_type = ckpt_path.split(".")[-1]
     if ckpt_type == "safetensors":