diff --git a/os/hal/platforms/STM32/hal_lld_f105_f107.h b/os/hal/platforms/STM32/hal_lld_f105_f107.h
index d68166ba0..6e3505d21 100644
--- a/os/hal/platforms/STM32/hal_lld_f105_f107.h
+++ b/os/hal/platforms/STM32/hal_lld_f105_f107.h
@@ -315,7 +315,7 @@
  */
 #if ((STM32_PLL2MUL_VALUE >= 8) && (STM32_PLL2MUL_VALUE <= 14)) ||          \
     defined(__DOXYGEN__)
-#define STM32_PLL2MUL               ((STM32_PLLMUL_VALUE - 2) << 8)
+#define STM32_PLL2MUL               ((STM32_PLL2MUL_VALUE - 2) << 8)
 #elif (STM32_PLL2MUL_VALUE == 16)
 #define STM32_PLL2MUL               (14 << 8)
 #elif (STM32_PLL2MUL_VALUE == 20)
diff --git a/readme.txt b/readme.txt
index 2a16c4158..ba6a8045b 100644
--- a/readme.txt
+++ b/readme.txt
@@ -62,6 +62,8 @@
 *****************************************************************************
 
 *** 2.1.2 ***
+- FIX: Fixed incorrect PLL2 setting in STM32 HAL (bug 3044770)(backported
+  in 2.0.3).
 - FIX: Fixed wrong check on STM32_HCLK (bug 3044758)(backported to 2.0.3).
 - FIX: Fixed wrong condition check in STM32 PWM driver (bug 3041414)
   (backported in 2.0.3).