diff --git a/radio/src/thirdparty/STM32F4xx_DSP_StdPeriph_Lib_V1.8.0/Libraries/CMSIS/Device/ST/STM32F4xx/Include/stm32f4xx.h b/radio/src/thirdparty/STM32F4xx_DSP_StdPeriph_Lib_V1.8.0/Libraries/CMSIS/Device/ST/STM32F4xx/Include/stm32f4xx.h
index 9ca6d36b1..813ad5c9a 100644
--- a/radio/src/thirdparty/STM32F4xx_DSP_StdPeriph_Lib_V1.8.0/Libraries/CMSIS/Device/ST/STM32F4xx/Include/stm32f4xx.h
+++ b/radio/src/thirdparty/STM32F4xx_DSP_StdPeriph_Lib_V1.8.0/Libraries/CMSIS/Device/ST/STM32F4xx/Include/stm32f4xx.h
@@ -12,15 +12,15 @@
   *          is using in the C source code, usually in main.c. This file contains:
   *           - Configuration section that allows to select:
   *              - The device used in the target application
-  *              - To use or not the peripheral’s drivers in application code(i.e. 
-  *                code will be based on direct access to peripheral’s registers 
+  *              - To use or not the peripheral�s drivers in application code(i.e. 
+  *                code will be based on direct access to peripheral�s registers 
   *                rather than drivers API), this option is controlled by 
   *                "#define USE_STDPERIPH_DRIVER"
   *              - To change few application-specific parameters such as the HSE 
   *                crystal frequency
   *           - Data structures and the address mapping for all peripherals
   *           - Peripherals registers declarations and bits definition
-  *           - Macros to access peripheral’s registers hardware
+  *           - Macros to access peripheral�s registers hardware
   *  
   ******************************************************************************
   * @attention
@@ -53,6 +53,8 @@
 #ifndef __STM32F4xx_H
 #define __STM32F4xx_H
 
+#define assert_param(xx)
+
 #ifdef __cplusplus
  extern "C" {
 #endif /* __cplusplus */