diff --git a/tools/crypto/ccp/test_dbc.py b/tools/crypto/ccp/test_dbc.py
index 998bb3e3cd04..a28a1f94c1d2 100755
--- a/tools/crypto/ccp/test_dbc.py
+++ b/tools/crypto/ccp/test_dbc.py
@@ -4,6 +4,12 @@ import unittest
 import os
 import time
 import glob
+import fcntl
+try:
+    import ioctl_opt as ioctl
+except ImportError:
+    ioctl = None
+    pass
 from dbc import *
 
 # Artificial delay between set commands
@@ -64,13 +70,16 @@ class TestInvalidIoctls(DynamicBoostControlTest):
     def setUp(self) -> None:
         if not os.path.exists(DEVICE_NODE):
             self.skipTest("system is unsupported")
+        if not ioctl:
+            self.skipTest("unable to test IOCTLs without ioctl_opt")
+
         return super().setUp()
 
     def test_invalid_nonce_ioctl(self) -> None:
         """tries to call get_nonce ioctl with invalid data structures"""
 
         # 0x1 (get nonce), and invalid data
-        INVALID1 = IOWR(ord("D"), 0x01, invalid_param)
+        INVALID1 = ioctl.IOWR(ord("D"), 0x01, invalid_param)
         with self.assertRaises(OSError) as error:
             fcntl.ioctl(self.d, INVALID1, self.data, True)
         self.assertEqual(error.exception.errno, 22)
@@ -79,7 +88,7 @@ class TestInvalidIoctls(DynamicBoostControlTest):
         """tries to call set_uid ioctl with invalid data structures"""
 
         # 0x2 (set uid), and invalid data
-        INVALID2 = IOW(ord("D"), 0x02, invalid_param)
+        INVALID2 = ioctl.IOW(ord("D"), 0x02, invalid_param)
         with self.assertRaises(OSError) as error:
             fcntl.ioctl(self.d, INVALID2, self.data, True)
         self.assertEqual(error.exception.errno, 22)
@@ -88,7 +97,7 @@ class TestInvalidIoctls(DynamicBoostControlTest):
         """tries to call set_uid ioctl with invalid data structures"""
 
         # 0x2 as RW (set uid), and invalid data
-        INVALID3 = IOWR(ord("D"), 0x02, invalid_param)
+        INVALID3 = ioctl.IOWR(ord("D"), 0x02, invalid_param)
         with self.assertRaises(OSError) as error:
             fcntl.ioctl(self.d, INVALID3, self.data, True)
         self.assertEqual(error.exception.errno, 22)
@@ -96,7 +105,7 @@ class TestInvalidIoctls(DynamicBoostControlTest):
     def test_invalid_param_ioctl(self) -> None:
         """tries to call param ioctl with invalid data structures"""
         # 0x3 (param), and invalid data
-        INVALID4 = IOWR(ord("D"), 0x03, invalid_param)
+        INVALID4 = ioctl.IOWR(ord("D"), 0x03, invalid_param)
         with self.assertRaises(OSError) as error:
             fcntl.ioctl(self.d, INVALID4, self.data, True)
         self.assertEqual(error.exception.errno, 22)
@@ -104,7 +113,7 @@ class TestInvalidIoctls(DynamicBoostControlTest):
     def test_invalid_call_ioctl(self) -> None:
         """tries to call the DBC ioctl with invalid data structures"""
         # 0x4, and invalid data
-        INVALID5 = IOWR(ord("D"), 0x04, invalid_param)
+        INVALID5 = ioctl.IOWR(ord("D"), 0x04, invalid_param)
         with self.assertRaises(OSError) as error:
             fcntl.ioctl(self.d, INVALID5, self.data, True)
         self.assertEqual(error.exception.errno, 22)