diff --git a/include/libimp/system.h b/include/libimp/system.h
index 208f40d..7264682 100644
--- a/include/libimp/system.h
+++ b/include/libimp/system.h
@@ -24,6 +24,11 @@ LIBIMP_EXPORT void error_code(result_code) noexcept;
 /**
  * @brief Gets a text description of the system error
  */
+LIBIMP_EXPORT std::string error_str(result_code) noexcept;
+
+/**
+ * @brief @brief A text description string with an error number attached
+ */
 LIBIMP_EXPORT std::string error_msg(result_code) noexcept;
 
 } // namespace sys
diff --git a/src/libimp/platform/posix/system.h b/src/libimp/platform/posix/system.h
index 21cc55c..b05d76e 100644
--- a/src/libimp/platform/posix/system.h
+++ b/src/libimp/platform/posix/system.h
@@ -36,7 +36,7 @@ void error_code(result_code code) noexcept {
  * https://man7.org/linux/man-pages/man3/strerror_l.3.html
  * https://manpages.ubuntu.com/manpages/xenial/en/man3/strerror.3.html
  */
-std::string error_msg(result_code code) noexcept {
+std::string error_str(result_code code) noexcept {
   char msg_buf[256] {};
 #if ((_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && !_GNU_SOURCE)
   LIBIMP_LOG_();
diff --git a/src/libimp/platform/win/system.h b/src/libimp/platform/win/system.h
index 5820e03..b50f2bc 100644
--- a/src/libimp/platform/win/system.h
+++ b/src/libimp/platform/win/system.h
@@ -41,7 +41,7 @@ void error_code(result_code code) noexcept {
  * @brief Gets a text description of the system error
  * https://docs.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-formatmessage
  */
-std::string error_msg(result_code code) noexcept {
+std::string error_str(result_code code) noexcept {
   LIBIMP_LOG_();
   try {
     DWORD err = (DWORD)code.value();
diff --git a/src/libimp/system.cpp b/src/libimp/system.cpp
index 54a178f..94e56bc 100644
--- a/src/libimp/system.cpp
+++ b/src/libimp/system.cpp
@@ -3,4 +3,20 @@
 #include "libimp/platform/win/system.h"
 #else
 #include "libimp/platform/posix/system.h"
-#endif
\ No newline at end of file
+#endif
+
+#include "fmt/format.h"
+
+LIBIMP_NAMESPACE_BEG_
+namespace sys {
+
+std::string error_msg(result_code code) noexcept {
+  try {
+    return ::fmt::format("[{}, \"{}\"]", code.value(), error_str(code));
+  } catch (...) {
+    return error_str(code);
+  }
+}
+
+} // namespace sys
+LIBIMP_NAMESPACE_END_
diff --git a/test/test_imp_system.cpp b/test/test_imp_system.cpp
index d7ed936..73c7568 100644
--- a/test/test_imp_system.cpp
+++ b/test/test_imp_system.cpp
@@ -14,7 +14,7 @@
 #endif
 
 TEST(system, error_code) {
-  std::cout << fmt::format("{}\n", imp::sys::error_code());
+  std::cout << fmt::format("{}\n", imp::sys::error_msg(imp::sys::error_code()));
 
   imp::sys::error_code({false, 111});
   auto err = imp::sys::error_code();
@@ -25,7 +25,7 @@ TEST(system, error_code) {
   EXPECT_TRUE(imp::sys::error_code());
 }
 
-TEST(system, error_msg) {
+TEST(system, error_str) {
 #if defined(LIBIMP_OS_WIN)
   std::u16string u16_ok, u16_err;
   LANGID lId = ::GetSystemDefaultLangID();
@@ -44,16 +44,16 @@ TEST(system, error_msg) {
   {
     std::string s_txt;
     imp::cvt_sstr(u16_ok, s_txt);
-    EXPECT_EQ(imp::sys::error_msg({}), s_txt);
+    EXPECT_EQ(imp::sys::error_str({}), s_txt);
   }
   {
     std::string s_txt;
     imp::cvt_sstr(u16_err, s_txt);
-    EXPECT_EQ(imp::sys::error_msg({false, ERROR_INVALID_HANDLE}), s_txt);
+    EXPECT_EQ(imp::sys::error_str({false, ERROR_INVALID_HANDLE}), s_txt);
   }
 #else
-  EXPECT_EQ(imp::sys::error_msg({false, 1234}), "Unknown error 1234");
-  EXPECT_EQ(imp::sys::error_msg({}), "Success");
-  EXPECT_EQ(imp::sys::error_msg({false, EINVAL}), "Invalid argument");
+  EXPECT_EQ(imp::sys::error_str({false, 1234}), "Unknown error 1234");
+  EXPECT_EQ(imp::sys::error_str({}), "Success");
+  EXPECT_EQ(imp::sys::error_str({false, EINVAL}), "Invalid argument");
 #endif
 }
\ No newline at end of file