diff --git a/boards/arm/sama5/sama5d4-ek/src/sam_at25.c b/boards/arm/sama5/sama5d4-ek/src/sam_at25.c
index 4f7ef1a1c1..eaf42442dd 100644
--- a/boards/arm/sama5/sama5d4-ek/src/sam_at25.c
+++ b/boards/arm/sama5/sama5d4-ek/src/sam_at25.c
@@ -101,7 +101,8 @@ int sam_at25_automount(int minor)
       mtd = at25_initialize(spi);
       if (!mtd)
         {
-          ferr("ERROR: Failed to bind SPI port %d to the AT25 FLASH driver\n");
+          ferr("ERROR: Failed to bind SPI port %d "
+               "to the AT25 FLASH driver\n");
           return -ENODEV;
         }