diff --git a/test/Performance/benchmark/pdo_sqlsrv/PDOFetchLargeBench.php b/test/Performance/benchmark/pdo_sqlsrv/PDOFetchLargeBench.php
index 26fab48c..c726d905 100644
--- a/test/Performance/benchmark/pdo_sqlsrv/PDOFetchLargeBench.php
+++ b/test/Performance/benchmark/pdo_sqlsrv/PDOFetchLargeBench.php
@@ -23,7 +23,7 @@ class PDOFetchLargeBench
         $this->conn = PDOSqlsrvUtil::connect();
     }
     /*
-    * Each iteration calls prepare, execute and fetch APIs to fetch the already populdated data
+    * Each iteration calls prepare, execute and fetch APIs to fetch the already populated data
     */
     public function benchFetchWithPrepare()
     {
diff --git a/test/Performance/benchmark/sqlsrv/SqlsrvFetchLargeBench.php b/test/Performance/benchmark/sqlsrv/SqlsrvFetchLargeBench.php
index 24dee142..cccf11ce 100644
--- a/test/Performance/benchmark/sqlsrv/SqlsrvFetchLargeBench.php
+++ b/test/Performance/benchmark/sqlsrv/SqlsrvFetchLargeBench.php
@@ -23,7 +23,7 @@ class SqlsrvFetchLargeBench
         $this->conn = SqlsrvUtil::connect();
     }
     /*
-    * Each iteration calls prepare, execute and fetch APIs to fetch the already populdated data
+    * Each iteration calls prepare, execute and fetch APIs to fetch the already populated data
     */
     public function benchFetchWithPrepare()
     {
diff --git a/test/Performance/setup_env_windows.ps1 b/test/Performance/setup_env_windows.ps1
index a6b83633..bbafb8d2 100644
--- a/test/Performance/setup_env_windows.ps1
+++ b/test/Performance/setup_env_windows.ps1
@@ -41,18 +41,19 @@ $phpDir="C:\php"
 Remove-Item $phpDir -Recurse -ErrorAction Ignore
 New-Item -ItemType directory -Path $phpDir
 Expand-Archive $PHP_ZIP -DestinationPath $phpDir
-Copy-Item $SQLSRV_DRIVER $phpDir\ext
-Copy-Item $PDO_DRIVER $phpDir\ext
+
+# copy drivers to extensions directory and rename to a standard nomenclature
+# for consistency with run-perf_tests.py
+Copy-Item $SQLSRV_DRIVER $phpDir\ext\php_sqlsrv.dll
+Copy-Item $PDO_DRIVER $phpDir\ext\php_pdo_sqlsrv.dll
 
 # setup driver
 Copy-Item $phpDir\php.ini-production $phpDir\php.ini
 Add-Content $phpDir\php.ini "extension=$phpDir\ext\php_openssl.dll"
 Add-Content $phpDir\php.ini "extension=$phpDir\ext\php_mbstring.dll"
 
-$driverName=Split-Path $SQLSRV_DRIVER -leaf
-Add-Content $phpDir\php.ini "extension=$phpDir\ext\$driverName"
-$driverName=Split-Path $PDO_DRIVER -leaf
-Add-Content $phpDir\php.ini "extension=$phpDir\ext\$driverName"
+Add-Content $phpDir\php.ini "extension=$phpDir\ext\php_sqlsrv.dll"
+Add-Content $phpDir\php.ini "extension=$phpDir\ext\php_pdo_sqlsrv.dll"
 
 Move-Item $phpDir\php.ini C:\Windows -force
 Copy-Item $phpDir\ssleay32.dll C:\Windows -force