diff --git a/os/hal/lib/complex/serial_nor/hal_serial_nor.h b/os/hal/lib/complex/serial_nor/hal_serial_nor.h
index d43db214b..cca029775 100644
--- a/os/hal/lib/complex/serial_nor/hal_serial_nor.h
+++ b/os/hal/lib/complex/serial_nor/hal_serial_nor.h
@@ -145,7 +145,7 @@ typedef struct {
 /*===========================================================================*/
 
 #if SNOR_SHARED_BUS == FALSE
-#define bus_acquire(busp)
+#define bus_acquire(busp, config)
 #define bus_release(busp)
 #endif
 
diff --git a/readme.txt b/readme.txt
index 70e4e7b6a..472f7cd36 100644
--- a/readme.txt
+++ b/readme.txt
@@ -124,6 +124,8 @@
 - HAL: Added a new interface for range-finder devices (used by EX).
 - HAL: Added mcuconf.h updater tool for STM32F407 (backported to 19.1.1).
 - NIL: Integrated NIL 4.0.
+- FIX: Fixed serial NOR driver wrong macro definition (bug #1044)
+       (backported to 19.1.4).
 - FIX: Fixed missing dummy cycles in memory map mode on STM32 QSPI driver
        (bug #1042)(backported to 19.1.4).
 - FIX: Fixed missing DMA definitions for STM32F412 I2C3 (bug #1041)