diff --git a/certificate.cpp b/certificate.cpp
index 18c68a0..c99b0b0 100644
--- a/certificate.cpp
+++ b/certificate.cpp
@@ -30,7 +30,6 @@
 #include <filesystem>
 #include <fstream>
 #include <map>
-#include <random>
 #include <utility>
 #include <vector>
 
@@ -139,22 +138,17 @@
 std::string
     Certificate::generateUniqueFilePath(const std::string& directoryPath)
 {
-    // Create a template for the temporary file name
-    std::string filePath = directoryPath + "/" + "cert-XXXXXX";
-    int fd = mkstemp(filePath.data());
-    if (fd == -1)
+    char* filePath = tempnam(directoryPath.c_str(), nullptr);
+    if (filePath == nullptr)
     {
         lg2::error(
             "Error occurred while creating random certificate file path, DIR:{DIR}",
             "DIR", directoryPath);
         elog<InternalFailure>();
-        throw std::runtime_error("Failed to create unique file path");
     }
-
-    // Close the file descriptor and file, just need the unique path
-    close(fd);
-    std::remove(filePath.data());
-    return filePath;
+    std::string filePathStr(filePath);
+    free(filePath);
+    return filePathStr;
 }
 
 std::string Certificate::generateAuthCertFileX509Path(