diff --git a/chipsec/helper/rwe/rwehelper.py b/chipsec/helper/rwe/rwehelper.py
index 206786a7..e775d386 100644
--- a/chipsec/helper/rwe/rwehelper.py
+++ b/chipsec/helper/rwe/rwehelper.py
@@ -72,7 +72,7 @@ kernel32 = windll.kernel32
 
 drv_hndl_error_msg = "Cannot open rwe driver handle. Make sure rwe driver is installed and started if you are using option -e (see README)"
 
-DRIVER_FILE_PATHS   = ["C:\\Windows\\System32\\drivers", os.path.join( chipsec.file.get_main_dir(), "chipsec", "helper", "rwe", "win7_" + platform.machine().lower())] 
+DRIVER_FILE_PATHS   = [os.path.join("C:\\", "Windows", "System32", "drivers"), os.path.join( chipsec.file.get_main_dir(), "chipsec", "helper", "rwe", "win7_" + platform.machine().lower())] 
 DRIVER_FILE_NAME    = "RwDrv.sys"
 DEVICE_FILE         = "\\\\.\\RwDrv"
 SERVICE_NAME        = "RwDrv"
diff --git a/chipsec/helper/win/win32helper.py b/chipsec/helper/win/win32helper.py
index ef86cb6e..e6489098 100644
--- a/chipsec/helper/win/win32helper.py
+++ b/chipsec/helper/win/win32helper.py
@@ -73,7 +73,7 @@ kernel32 = windll.kernel32
 
 drv_hndl_error_msg = "Cannot open chipsec driver handle. Make sure chipsec driver is installed and started if you are using option -e (see README)"
 
-DRIVER_FILE_PATHS = [ "C:\\Windows\\System32\\drivers", os.path.join( chipsec.file.get_main_dir(), "chipsec", "helper", "win", "win7_" + platform.machine().lower()) ]
+DRIVER_FILE_PATHS = [ os.path.join( "C:\\", "Windows", "System32", "drivers"), os.path.join( chipsec.file.get_main_dir(), "chipsec", "helper", "win", "win7_" + platform.machine().lower()) ]
 DRIVER_FILE_NAME = "chipsec_hlpr.sys"
 DEVICE_FILE      = "\\\\.\\chipsec_hlpr"
 SERVICE_NAME     = "chipsec"