diff --git a/artiq/examples/kc705_nist_clock/repository/dds_setter.py b/artiq/examples/kc705_nist_clock/repository/dds_setter.py
index 7f4b1447e..29e391c9e 100644
--- a/artiq/examples/kc705_nist_clock/repository/dds_setter.py
+++ b/artiq/examples/kc705_nist_clock/repository/dds_setter.py
@@ -20,7 +20,7 @@ class DDSSetter(EnvExperiment):
                     "driver": self.get_device(k),
                     "frequency": self.get_argument(
                         "{}_frequency".format(k),
-                        NumberValue(100e6, scale=1e6, unit="MHz", ndecimals=6))
+                        NumberValue(100e6, scale=1e6, unit="MHz", precision=6))
                 }
 
     @kernel
diff --git a/artiq/examples/kc705_nist_clock/repository/photon_histogram.py b/artiq/examples/kc705_nist_clock/repository/photon_histogram.py
index 4a9166a8a..91c39d5fb 100644
--- a/artiq/examples/kc705_nist_clock/repository/photon_histogram.py
+++ b/artiq/examples/kc705_nist_clock/repository/photon_histogram.py
@@ -12,8 +12,8 @@ class PhotonHistogram(EnvExperiment):
         self.setattr_device("bdd_sw")
         self.setattr_device("pmt")
 
-        self.setattr_argument("nbins", NumberValue(100, ndecimals=0, step=1))
-        self.setattr_argument("repeats", NumberValue(100, ndecimals=0, step=1))
+        self.setattr_argument("nbins", NumberValue(100, precision=0, step=1))
+        self.setattr_argument("repeats", NumberValue(100, precision=0, step=1))
 
         self.setattr_dataset("cool_f", 230*MHz)
         self.setattr_dataset("detect_f", 220*MHz)
diff --git a/artiq/examples/kc705_nist_clock/repository/speed_benchmark.py b/artiq/examples/kc705_nist_clock/repository/speed_benchmark.py
index 63b807390..35ae16b4b 100644
--- a/artiq/examples/kc705_nist_clock/repository/speed_benchmark.py
+++ b/artiq/examples/kc705_nist_clock/repository/speed_benchmark.py
@@ -79,7 +79,7 @@ class SpeedBenchmark(EnvExperiment):
                                                            "CoreSend1MB",
                                                            "CorePrimes"]))
         self.setattr_argument("nruns", NumberValue(10, min=1, max=1000,
-                                                   ndecimals=0, step=1))
+                                                   precision=0, step=1))
         self.setattr_device("core")
         self.setattr_device("scheduler")
 
diff --git a/artiq/examples/no_hardware/repository/arguments_demo.py b/artiq/examples/no_hardware/repository/arguments_demo.py
index 9539a2d4e..b17c258ac 100644
--- a/artiq/examples/no_hardware/repository/arguments_demo.py
+++ b/artiq/examples/no_hardware/repository/arguments_demo.py
@@ -45,13 +45,13 @@ class ArgumentsDemo(EnvExperiment):
             PYONValue(self.get_dataset("foo", default=42)))
         self.setattr_argument("number", NumberValue(42e-6,
                                                     unit="us",
-                                                    ndecimals=4))
+                                                    precision=4))
         self.setattr_argument("integer", NumberValue(42,
-                                                     step=1, ndecimals=0))
+                                                     step=1, precision=0))
         self.setattr_argument("string", StringValue("Hello World"))
         self.setattr_argument("scan", Scannable(global_max=400,
                                                 default=NoScan(325),
-                                                ndecimals=6))
+                                                precision=6))
         self.setattr_argument("boolean", BooleanValue(True), "Group")
         self.setattr_argument("enum", EnumerationValue(
             ["foo", "bar", "quux"], "foo"), "Group")