diff --git a/samples/boards/nrf/nrf2_clock_control/configs/fll16m.conf b/samples/boards/nrf/nrf2_clock_control/configs/fll16m.conf
index 9d8dac91c55..a1a74e0a29a 100644
--- a/samples/boards/nrf/nrf2_clock_control/configs/fll16m.conf
+++ b/samples/boards/nrf/nrf2_clock_control/configs/fll16m.conf
@@ -1,6 +1,6 @@
 # Copyright (c) 2024 Nordic Semiconductor ASA
 # SPDX-License-Identifier: Apache-2.0
 
-CONFIG_SAMPLE_CLOCK_FREQUENCY_HZ=32000000
+CONFIG_SAMPLE_CLOCK_FREQUENCY_HZ=16000000
 CONFIG_SAMPLE_CLOCK_ACCURACY_PPM=30
 CONFIG_SAMPLE_CLOCK_PRECISION=0
diff --git a/samples/boards/nrf/nrf2_clock_control/configs/uart135.conf b/samples/boards/nrf/nrf2_clock_control/configs/uart135.conf
index 9d8dac91c55..a1a74e0a29a 100644
--- a/samples/boards/nrf/nrf2_clock_control/configs/uart135.conf
+++ b/samples/boards/nrf/nrf2_clock_control/configs/uart135.conf
@@ -1,6 +1,6 @@
 # Copyright (c) 2024 Nordic Semiconductor ASA
 # SPDX-License-Identifier: Apache-2.0
 
-CONFIG_SAMPLE_CLOCK_FREQUENCY_HZ=32000000
+CONFIG_SAMPLE_CLOCK_FREQUENCY_HZ=16000000
 CONFIG_SAMPLE_CLOCK_ACCURACY_PPM=30
 CONFIG_SAMPLE_CLOCK_PRECISION=0