diff --git a/artiq/coredevice/ad9912.py b/artiq/coredevice/ad9912.py
index 67549a74d..bc12192d6 100644
--- a/artiq/coredevice/ad9912.py
+++ b/artiq/coredevice/ad9912.py
@@ -97,7 +97,7 @@ class AD9912:
         prodid = self.read(AD9912_PRODIDH, length=2)
         if (prodid != 0x1982) and (prodid != 0x1902):
             raise ValueError("Urukul AD9912 product id mismatch")
-        delay(20*us)
+        delay(30*us)
         # HSTL power down, CMOS power down
         self.write(AD9912_PWRCNTRL1, 0x80, length=1)
         self.cpld.io_update.pulse(1*us)