diff --git a/pcie_i2c.cpp b/pcie_i2c.cpp
index 854609c..0f95992 100644
--- a/pcie_i2c.cpp
+++ b/pcie_i2c.cpp
@@ -18,6 +18,7 @@
 #include "handler.hpp"
 
 #include <ipmid/api-types.hpp>
+#include <stdplus/print.hpp>
 
 #include <cstdint>
 #include <cstring>
@@ -59,8 +60,7 @@
 
     if (data.size() < sizeof(request))
     {
-        std::fprintf(stderr, "Invalid command length: %u\n",
-                     static_cast<uint32_t>(data.size()));
+        stdplus::print(stderr, "Invalid command length: {}\n", data.size());
         return ::ipmi::responseReqDataLenInvalid();
     }
 
@@ -92,7 +92,7 @@
     // value and change error to IPMI_CC_REQUESTED_TOO_MANY_BYTES.
     if (length > MAX_IPMI_BUFFER)
     {
-        std::fprintf(stderr, "Response would overflow response buffer\n");
+        stdplus::print(stderr, "Response would overflow response buffer\n");
         return ::ipmi::responseInvalidCommand();
     }