diff --git a/boards/mulle/board.c b/boards/mulle/board.c
index b4f548557d..7e09047dc9 100644
--- a/boards/mulle/board.c
+++ b/boards/mulle/board.c
@@ -48,6 +48,15 @@ static devfs_t mulle_nvram_devfs = {
     .private_data = &mulle_nvram_dev,
 };
 
+static const mtd_spi_nor_params_t mulle_nor_params = {
+    .opcode = &mtd_spi_nor_opcode_default,
+    .spi = MULLE_NOR_SPI_DEV,
+    .cs = MULLE_NOR_SPI_CS,
+    .addr_width = 3,
+    .mode = SPI_MODE_3,
+    .clk = SPI_CLK_10MHZ,
+};
+
 static mtd_spi_nor_t mulle_nor_dev = {
     .base = {
         .driver = &mtd_spi_nor_driver,
@@ -55,12 +64,7 @@ static mtd_spi_nor_t mulle_nor_dev = {
         .pages_per_sector = 256,
         .sector_count = 32,
     },
-    .opcode = &mtd_spi_nor_opcode_default,
-    .spi = MULLE_NOR_SPI_DEV,
-    .cs = MULLE_NOR_SPI_CS,
-    .addr_width = 3,
-    .mode = SPI_MODE_3,
-    .clk = SPI_CLK_10MHZ,
+    .params = &mulle_nor_params,
 };
 
 mtd_dev_t *mtd0 = (mtd_dev_t *)&mulle_nor_dev;