diff --git a/tools/ipmi_handler.hpp b/tools/ipmi_handler.hpp
index ea42507..9e86f42 100644
--- a/tools/ipmi_handler.hpp
+++ b/tools/ipmi_handler.hpp
@@ -7,5 +7,6 @@
   public:
     IpmiHandler() = default;
 
-    int sendPacket(const std::vector<std::uint8_t>& data) override;
+    std::vector<std::uint8_t>
+        sendPacket(const std::vector<std::uint8_t>& data) override;
 };