diff --git a/qemu/tests/physical_resources_check.py b/qemu/tests/physical_resources_check.py
index 2ad5c1162ef827e50ecf284e0ffb9a9844b75de2..f48a6f226da1c81b39d3d52f15823a18d569c9fb 100644
--- a/qemu/tests/physical_resources_check.py
+++ b/qemu/tests/physical_resources_check.py
@@ -41,7 +41,8 @@ def run(test, params, env):
             f_fail.append(fail_log)
             logging.error(fail_log)
 
-        actual_num = o.count(check_str)
+        ovmf_fd_num = o.count('%s.fd' % check_str)  # Exclude ovmf fd drive
+        actual_num = o.count(check_str) - ovmf_fd_num
         if expected_num != actual_num:
             fail_log = "%s number mismatch:\n" % str(devices)
             fail_log += "    Assigned to VM: %d\n" % expected_num