diff --git a/samples/subsys/shell/fs/boards/native_posix.conf b/samples/subsys/shell/fs/boards/native_posix.conf
index 007ce1f5576..ed9d1985c9f 100644
--- a/samples/subsys/shell/fs/boards/native_posix.conf
+++ b/samples/subsys/shell/fs/boards/native_posix.conf
@@ -1,2 +1,3 @@
 CONFIG_FUSE_FS_ACCESS=y
+CONFIG_FS_NFFS_FLASH_DEV_NAME="flash_ctrl"
 
diff --git a/samples/subsys/shell/fs/boards/native_posix_64.conf b/samples/subsys/shell/fs/boards/native_posix_64.conf
index 007ce1f5576..ed9d1985c9f 100644
--- a/samples/subsys/shell/fs/boards/native_posix_64.conf
+++ b/samples/subsys/shell/fs/boards/native_posix_64.conf
@@ -1,2 +1,3 @@
 CONFIG_FUSE_FS_ACCESS=y
+CONFIG_FS_NFFS_FLASH_DEV_NAME="flash_ctrl"
 
diff --git a/samples/subsys/shell/fs/boards/reel_board.conf b/samples/subsys/shell/fs/boards/reel_board.conf
index 4b93b4264a8..7ca1b482865 100644
--- a/samples/subsys/shell/fs/boards/reel_board.conf
+++ b/samples/subsys/shell/fs/boards/reel_board.conf
@@ -1,2 +1,2 @@
 CONFIG_MPU_ALLOW_FLASH_WRITE=y
-
+CONFIG_FS_NFFS_FLASH_DEV_NAME="NRF_FLASH_DRV_NAME"
diff --git a/samples/subsys/shell/fs/prj.conf b/samples/subsys/shell/fs/prj.conf
index 4ff1991d431..12a2786fe25 100644
--- a/samples/subsys/shell/fs/prj.conf
+++ b/samples/subsys/shell/fs/prj.conf
@@ -11,7 +11,6 @@ CONFIG_FLASH=y
 CONFIG_FILE_SYSTEM=y
 CONFIG_FILE_SYSTEM_NFFS=y
 CONFIG_FILE_SYSTEM_SHELL=y
-CONFIG_FS_NFFS_FLASH_DEV_NAME="flash_ctrl"
 
 CONFIG_LOG=y