diff --git a/l0/include/stm32l0xx_hal_rcc.h b/l0/include/stm32l0xx_hal_rcc.h
index 30dfced952c3ab60cde72a4dbd6b63f5e03efcee..e30c7044eb1896badf7539be3ed447afb848eaaa 100755
--- a/l0/include/stm32l0xx_hal_rcc.h
+++ b/l0/include/stm32l0xx_hal_rcc.h
@@ -1106,7 +1106,7 @@ typedef struct
   */
 
 /* Include RCC HAL Extension module */
-#include "stm32L0xx_hal_rcc_ex.h"
+#include "stm32l0xx_hal_rcc_ex.h"
 
 /* Exported functions --------------------------------------------------------*/
 /* Initialization and de-initialization methods  ******************************/