diff --git a/esphome/components/api/api_pb2_dump.cpp b/esphome/components/api/api_pb2_dump.cpp
index 56aa4683ba..ad5a5fdcaa 100644
--- a/esphome/components/api/api_pb2_dump.cpp
+++ b/esphome/components/api/api_pb2_dump.cpp
@@ -3132,7 +3132,7 @@ void BluetoothLERawAdvertisement::dump_to(std::string &out) const {
   out.append("\n");
 
   out.append("  data: ");
-  out.append(format_hex_pretty(reinterpret_cast<const char *>(this->data), this->data_len));
+  out.append(format_hex_pretty(this->data, this->data_len));
   out.append("\n");
   out.append("}");
 }
diff --git a/script/api_protobuf/api_protobuf.py b/script/api_protobuf/api_protobuf.py
index 5d78da6a58..23d8a53b70 100755
--- a/script/api_protobuf/api_protobuf.py
+++ b/script/api_protobuf/api_protobuf.py
@@ -657,7 +657,7 @@ class FixedArrayBytesType(TypeInfo):
         return f"buffer.encode_bytes({self.number}, this->{self.field_name}, this->{self.field_name}_len);"
 
     def dump(self, name: str) -> str:
-        o = f"out.append(format_hex_pretty(reinterpret_cast<const char*>({name}), {name}_len));"
+        o = f"out.append(format_hex_pretty({name}, {name}_len));"
         return o
 
     def get_size_calculation(self, name: str, force: bool = False) -> str: