diff --git a/esphome/components/fan/fan.h b/esphome/components/fan/fan.h
index 26b34d2bc6c..d5763edf2f7 100644
--- a/esphome/components/fan/fan.h
+++ b/esphome/components/fan/fan.h
@@ -178,7 +178,7 @@ class Fan : public EntityBase {
   /// Wire the Fan-owned preset modes pointer into the given traits object.
   void wire_preset_modes_(FanTraits &traits) {
     if (this->supported_preset_modes_) {
-      traits.set_supported_preset_modes(this->supported_preset_modes_);
+      traits.set_supported_preset_modes_(this->supported_preset_modes_);
     }
   }
 
diff --git a/esphome/components/fan/fan_traits.h b/esphome/components/fan/fan_traits.h
index 05810ceea44..78c215dc8c9 100644
--- a/esphome/components/fan/fan_traits.h
+++ b/esphome/components/fan/fan_traits.h
@@ -77,7 +77,9 @@ class FanTraits {
 
  protected:
   /// Set the preset modes pointer (only Fan::wire_preset_modes_() should call this).
-  void set_supported_preset_modes(const std::vector<const char *> *preset_modes) { this->preset_modes_ = preset_modes; }
+  void set_supported_preset_modes_(const std::vector<const char *> *preset_modes) {
+    this->preset_modes_ = preset_modes;
+  }
 
   bool oscillation_{false};
   bool speed_{false};