diff --git a/esphome/components/mcp4461/mcp4461.h b/esphome/components/mcp4461/mcp4461.h
index c9a8bcf15f..9f70d87a2e 100644
--- a/esphome/components/mcp4461/mcp4461.h
+++ b/esphome/components/mcp4461/mcp4461.h
@@ -98,6 +98,7 @@ class Mcp4461Component : public Component, public i2c::I2CDevice {
   void begin_();
   bool update_{false};
   uint32_t previous_write_exec_time_;
+  bool write_protected_{false};
   bool wiper_0_disabled_{false};
   bool wiper_1_disabled_{false};
   bool wiper_2_disabled_{false};