diff --git a/src/system/libroot/posix/glibc/include/string.h b/src/system/libroot/posix/glibc/include/string.h
index f97a431836..f4712367ca 100644
--- a/src/system/libroot/posix/glibc/include/string.h
+++ b/src/system/libroot/posix/glibc/include/string.h
@@ -7,7 +7,15 @@
 #define __memcpy(to, from, size)	memcpy(to, from, size)
 #define __strchrnul(string, character)	strchrnul(string, character)
 #define __strnlen			strnlen
-#define __strerror_r			strerror_r
+
+static inline char *
+__strerror_r(int error, char *buffer, size_t bufferSize)
+{
+	if (strerror_r(error, buffer, bufferSize) != 0)
+		strlcpy(buffer, "Unknown Error", bufferSize);
+
+	return buffer;
+}
 
 static inline void *
 __mempcpy(void *to, const void *from, size_t size)