diff --git a/esphome/components/api/proto.cpp b/esphome/components/api/proto.cpp
index bd72decb72..7f8a235ebe 100644
--- a/esphome/components/api/proto.cpp
+++ b/esphome/components/api/proto.cpp
@@ -8,8 +8,8 @@ namespace esphome::api {
 static const char *const TAG = "api.proto";
 
 #ifdef USE_API_VARINT64
-optional<ProtoVarInt> ProtoVarInt::parse_wide_(const uint8_t *buffer, uint32_t len, uint32_t *consumed,
-                                               uint32_t result32) {
+optional<ProtoVarInt> ProtoVarInt::parse_wide(const uint8_t *buffer, uint32_t len, uint32_t *consumed,
+                                              uint32_t result32) {
   uint64_t result64 = result32;
   uint32_t limit = std::min(len, uint32_t(10));
   for (uint32_t i = 4; i < limit; i++) {
diff --git a/esphome/components/api/proto.h b/esphome/components/api/proto.h
index b386dfaff6..d8ac7061e1 100644
--- a/esphome/components/api/proto.h
+++ b/esphome/components/api/proto.h
@@ -121,7 +121,7 @@ class ProtoVarInt {
     }
     // 64-bit phase for values > 28 bits (BLE addresses etc.)
 #ifdef USE_API_VARINT64
-    return parse_wide_(buffer, len, consumed, result32);
+    return parse_wide(buffer, len, consumed, result32);
 #else
     return {};
 #endif
@@ -131,7 +131,7 @@ class ProtoVarInt {
  protected:
   /// Continue parsing varint bytes 4-9 with 64-bit arithmetic.
   /// Separated to keep 64-bit shift code (__ashldi3 on 32-bit platforms) out of the common path.
-  static optional<ProtoVarInt> parse_wide_(const uint8_t *buffer, uint32_t len, uint32_t *consumed, uint32_t result32)
+  static optional<ProtoVarInt> parse_wide(const uint8_t *buffer, uint32_t len, uint32_t *consumed, uint32_t result32)
       __attribute__((noinline));
 
  public: