diff --git a/artiq/coredevice/ad9910.py b/artiq/coredevice/ad9910.py
index e6b5309fb..6bb9cf0aa 100644
--- a/artiq/coredevice/ad9910.py
+++ b/artiq/coredevice/ad9910.py
@@ -137,8 +137,10 @@ class AD9910:
     def __init__(self, dmgr, chip_select, cpld_device, sw_device=None,
                  pll_n=40, pll_cp=7, pll_vco=5, sync_delay_seed=-1,
                  io_update_delay=0, pll_en=1):
-        self.kernel_invariants = {"chip_select", "cpld", "core", "bus",
-                                  "ftw_per_hz", "sysclk_per_mu"}
+        self.kernel_invariants = {"cpld", "core", "bus", "chip_select",
+                                  "pll_en", "pll_n", "pll_vco", "pll_cp",
+                                  "ftw_per_hz", "sysclk_per_mu", "sysclk",
+                                  "sync_data"}
         self.cpld = dmgr.get(cpld_device)
         self.core = self.cpld.core
         self.bus = self.cpld.bus
diff --git a/artiq/coredevice/ad9912.py b/artiq/coredevice/ad9912.py
index cdaaa6a8e..6eca8e72c 100644
--- a/artiq/coredevice/ad9912.py
+++ b/artiq/coredevice/ad9912.py
@@ -29,8 +29,8 @@ class AD9912:
 
     def __init__(self, dmgr, chip_select, cpld_device, sw_device=None,
                  pll_n=10):
-        self.kernel_invariants = {"chip_select", "cpld", "core", "bus",
-                                  "ftw_per_hz"}
+        self.kernel_invariants = {"cpld", "core", "bus", "chip_select",
+                                  "pll_n", "ftw_per_hz"}
         self.cpld = dmgr.get(cpld_device)
         self.core = self.cpld.core
         self.bus = self.cpld.bus