diff --git a/samples/drivers/adc/boards/stm32l496g_disco.overlay b/samples/drivers/adc/boards/stm32l496g_disco.overlay
new file mode 100644
index 00000000000..2070247c4fe
--- /dev/null
+++ b/samples/drivers/adc/boards/stm32l496g_disco.overlay
@@ -0,0 +1,9 @@
+/* Copyright (c) 2021 STMicroelectronics
+   SPDX-License-Identifier: Apache-2.0 */
+
+ / {
+	zephyr,user {
+		/* adjust channel number according to pinmux in board.dts */
+		io-channels = <&adc1 2>;
+	};
+};
diff --git a/samples/drivers/adc/sample.yaml b/samples/drivers/adc/sample.yaml
index 71f0ce72ef1..419592a2f12 100644
--- a/samples/drivers/adc/sample.yaml
+++ b/samples/drivers/adc/sample.yaml
@@ -5,7 +5,7 @@ tests:
     tags: ADC
     depends_on: adc
     platform_allow: nucleo_l073rz disco_l475_iot1 cc3220sf_launchxl
-        cc3235sf_launchxl
+        cc3235sf_launchxl stm32l496g_disco
     harness: console
     timeout: 10
     harness_config: