diff --git a/esphome/components/mcp4461/output/mcp4461_output.h b/esphome/components/mcp4461/output/mcp4461_output.h
index 3f7f8f9418..cf9b1f28a4 100644
--- a/esphome/components/mcp4461/output/mcp4461_output.h
+++ b/esphome/components/mcp4461/output/mcp4461_output.h
@@ -30,7 +30,7 @@ class Mcp4461Wiper : public output::FloatOutput, public Parented<Mcp4461Componen
     }
   }
   uint16_t read_state();
-  uint16_t update_state();
+  void update_state();
   void save_level();
   void enable_wiper();
   void disable_wiper();