diff --git a/esphome/components/number/number.h b/esphome/components/number/number.h
index 579d488cf06..b697e770be0 100644
--- a/esphome/components/number/number.h
+++ b/esphome/components/number/number.h
@@ -28,7 +28,7 @@ class Number;
  */
 class Number : public EntityBase {
  public:
-  float state;
+  float state{};
 
   void publish_state(float state);