diff --git a/boards/nxp/fmuk66-v3/src/init.c b/boards/nxp/fmuk66-v3/src/init.c
index 699cee01ba..e6fccc13dd 100644
--- a/boards/nxp/fmuk66-v3/src/init.c
+++ b/boards/nxp/fmuk66-v3/src/init.c
@@ -290,6 +290,14 @@ __EXPORT int board_app_initialize(uintptr_t arg)
 	kinetis_netinitialize(0);
 # endif
 
+# ifdef CONFIG_KINETIS_FLEXCAN0
+	kinetis_caninitialize(0);
+# endif
+
+# ifdef CONFIG_KINETIS_FLEXCAN1
+	kinetis_caninitialize(1);
+# endif
+
 #endif
 
 	/* Configure the HW based on the manifest */
diff --git a/boards/nxp/ucans32k146/nuttx-config/nsh/defconfig b/boards/nxp/ucans32k146/nuttx-config/nsh/defconfig
index 90ca8c6fe6..ce82511e11 100644
--- a/boards/nxp/ucans32k146/nuttx-config/nsh/defconfig
+++ b/boards/nxp/ucans32k146/nuttx-config/nsh/defconfig
@@ -5,10 +5,10 @@
 # You can then do "make savedefconfig" to generate a new defconfig file that includes your
 # modifications.
 #
+# CONFIG_FS_PROCFS_EXCLUDE_ENVIRON is not set
 # CONFIG_NET_ETHERNET is not set
 # CONFIG_NET_IPv4 is not set
 # CONFIG_NSH_CMDOPT_HEXDUMP is not set
-# CONFIG_FS_PROCFS_EXCLUDE_ENVIRON is not set
 CONFIG_ARCH="arm"
 CONFIG_ARCH_BOARD_CUSTOM=y
 CONFIG_ARCH_BOARD_CUSTOM_DIR="../nuttx-config"