diff --git a/intern/cycles/kernel/shaders/node_gradient_texture.osl b/intern/cycles/kernel/shaders/node_gradient_texture.osl
index 5cc81d367f2..6cb181aee72 100644
--- a/intern/cycles/kernel/shaders/node_gradient_texture.osl
+++ b/intern/cycles/kernel/shaders/node_gradient_texture.osl
@@ -56,7 +56,7 @@ float gradient(point p, string type)
       result = r;
   }
 
-  return result;
+  return clamp(result, 0.0, 1.0);
 }
 
 shader node_gradient_texture(