diff --git a/tests/drivers/build_all/adc/boards/native_posix_64.overlay b/tests/drivers/build_all/adc/boards/native_posix_64.overlay
new file mode 100644
index 00000000000..b5655714d89
--- /dev/null
+++ b/tests/drivers/build_all/adc/boards/native_posix_64.overlay
@@ -0,0 +1,6 @@
+/*
+ * Copyright (c) 2023 Nordic Semiconductor ASA
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "native_posix.overlay"
diff --git a/tests/drivers/build_all/adc/testcase.yaml b/tests/drivers/build_all/adc/testcase.yaml
index b151e1b3eaf..cde46e57a09 100644
--- a/tests/drivers/build_all/adc/testcase.yaml
+++ b/tests/drivers/build_all/adc/testcase.yaml
@@ -6,7 +6,9 @@ common:
 tests:
   drivers.adc.build:
     # will cover I2C, SPI, and emul based drivers
-    platform_allow: native_posix
+    platform_allow:
+      - native_posix
+      - native_posix_64
     tags:
       - adc_mcp302x
       - adc_lmp90xxx