diff --git a/boards/silabs/radio_boards/siwx917_rb4338a/board.cmake b/boards/silabs/radio_boards/siwx917_rb4338a/board.cmake
index 7b487f2cec8..05a945dd6c8 100644
--- a/boards/silabs/radio_boards/siwx917_rb4338a/board.cmake
+++ b/boards/silabs/radio_boards/siwx917_rb4338a/board.cmake
@@ -1,8 +1,7 @@
 # Copyright (c) 2024 Silicon Laboratories Inc.
 # SPDX-License-Identifier: Apache-2.0
 
-board_runner_args(silabs_commander "--device=SiWG917M111GTBA" "--file-type=bin"
-    "--file=${PROJECT_BINARY_DIR}/${KERNEL_BIN_NAME}.rps")
+board_runner_args(silabs_commander "--device=SiWG917M111GTBA")
 include(${ZEPHYR_BASE}/boards/common/silabs_commander.board.cmake)
 
 # It is not possible to load/flash a firmware using JLink, but it is possible to
diff --git a/boards/silabs/radio_boards/siwx917_rb4342a/board.cmake b/boards/silabs/radio_boards/siwx917_rb4342a/board.cmake
index f901065afa1..d32b7aa45e1 100644
--- a/boards/silabs/radio_boards/siwx917_rb4342a/board.cmake
+++ b/boards/silabs/radio_boards/siwx917_rb4342a/board.cmake
@@ -1,8 +1,7 @@
 # Copyright (c) 2025 Silicon Laboratories Inc.
 # SPDX-License-Identifier: Apache-2.0
 
-board_runner_args(silabs_commander "--device=SiWG917M111GTBA" "--file-type=bin"
-    "--file=${PROJECT_BINARY_DIR}/${KERNEL_BIN_NAME}.rps")
+board_runner_args(silabs_commander "--device=SiWG917M111GTBA")
 include(${ZEPHYR_BASE}/boards/common/silabs_commander.board.cmake)
 
 # It is not possible to load/flash a firmware using JLink, but it is possible to
diff --git a/soc/silabs/silabs_siwx91x/CMakeLists.txt b/soc/silabs/silabs_siwx91x/CMakeLists.txt
index 7e3a8c84a16..7997c79d4a9 100644
--- a/soc/silabs/silabs_siwx91x/CMakeLists.txt
+++ b/soc/silabs/silabs_siwx91x/CMakeLists.txt
@@ -12,3 +12,5 @@ set_property(GLOBAL APPEND PROPERTY extra_post_build_commands
     ${KERNEL_BIN_NAME}
     ${KERNEL_BIN_NAME}.rps
 )
+# runners_yaml_props_target controls the file used by "west flash"
+set_target_properties(runners_yaml_props_target PROPERTIES bin_file ${PROJECT_BINARY_DIR}/${KERNEL_BIN_NAME}.rps)