diff --git a/nodes.py b/nodes.py
index 891c9a2..6482d4a 100644
--- a/nodes.py
+++ b/nodes.py
@@ -639,7 +639,7 @@ class ExpressionEditor:
                 "aaa": ("FLOAT", {"default": 0, "min": -30, "max": 120, "step": 1, "display": display}),
                 "eee": ("FLOAT", {"default": 0, "min": -20, "max": 15, "step": 0.2, "display": display}),
                 "woo": ("FLOAT", {"default": 0, "min": -20, "max": 15, "step": 0.2, "display": display}),
-                "smile": ("FLOAT", {"default": 0, "min": -20, "max": 1.3, "step": 0.01, "display": display}),
+                "smile": ("FLOAT", {"default": 0, "min": -0.3, "max": 1.3, "step": 0.01, "display": display}),
 
                 "src_ratio": ("FLOAT", {"default": 1, "min": 0, "max": 1, "step": 0.01, "display": display}),
                 "sample_ratio": ("FLOAT", {"default": 1, "min": 0, "max": 1, "step": 0.01, "display": display}),