diff --git a/os/hal/platforms/STM32L1xx/hal_lld.h b/os/hal/platforms/STM32L1xx/hal_lld.h
index d4e6daa8b..3e8692e93 100644
--- a/os/hal/platforms/STM32L1xx/hal_lld.h
+++ b/os/hal/platforms/STM32L1xx/hal_lld.h
@@ -956,13 +956,13 @@
  * @brief   RTC/LCD clock.
  */
 #if (STM32_RTCSEL == STM32_RTCSEL_NOCLOCK) || defined(__DOXYGEN__)
-#define STM_RTCCLK                  0
+#define STM32_RTCCLK                  0
 #elif STM32_RTCSEL == STM32_RTCSEL_LSE
-#define STM_RTCCLK                  STM32_LSECLK
+#define STM32_RTCCLK                  STM32_LSECLK
 #elif STM32_RTCSEL == STM32_RTCSEL_LSI
-#define STM_RTCCLK                  STM32_LSICLK
+#define STM32_RTCCLK                  STM32_LSICLK
 #elif STM32_RTCSEL == STM32_RTCSEL_HSEDIV
-#define STM_RTCCLK                  STM32_HSEDIVCLK
+#define STM32_RTCCLK                  STM32_HSEDIVCLK
 #else
 #error "invalid STM32_RTCSEL value specified"
 #endif
diff --git a/os/hal/platforms/STM32L1xx/stm32_rcc.h b/os/hal/platforms/STM32L1xx/stm32_rcc.h
index 5340b9e15..90cbd8fbe 100644
--- a/os/hal/platforms/STM32L1xx/stm32_rcc.h
+++ b/os/hal/platforms/STM32L1xx/stm32_rcc.h
@@ -454,7 +454,7 @@
 #define rccResetTIM4() rccResetAPB1(RCC_APB1RSTR_TIM4RST)
 
 /**
- * @brief   Enables the TIM89peripheral clock.
+ * @brief   Enables the TIM9 peripheral clock.
  * @note    The @p lp parameter is ignored in this family.
  *
  * @param[in] lp        low power enable flag
@@ -474,11 +474,66 @@
 #define rccDisableTIM9(lp) rccDisableAPB2(RCC_APB2ENR_TIM9EN, lp)
 
 /**
- * @brief   Resets the TIM8 peripheral.
+ * @brief   Resets the TIM9 peripheral.
  *
  * @api
  */
 #define rccResetTIM9() rccResetAPB2(RCC_APB2RSTR_TIM9RST)
+
+/**
+ * @brief   Enables the TIM10 peripheral clock.
+ * @note    The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp        low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM10(lp) rccEnableAPB2(RCC_APB2ENR_TIM10EN, lp)
+
+/**
+ * @brief   Disables the TIM10 peripheral clock.
+ * @note    The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp        low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM10(lp) rccDisableAPB2(RCC_APB2ENR_TIM10EN, lp)
+
+/**
+ * @brief   Resets the TIM10 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM10() rccResetAPB2(RCC_APB2RSTR_TIM10RST)
+
+/**
+ * @brief   Enables the TIM10 peripheral clock.
+ * @note    The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp        low power enable flag
+ *
+ * @api
+ */
+#define rccEnableTIM11(lp) rccEnableAPB2(RCC_APB2ENR_TIM11EN, lp)
+
+/**
+ * @brief   Disables the TIM11 peripheral clock.
+ * @note    The @p lp parameter is ignored in this family.
+ *
+ * @param[in] lp        low power enable flag
+ *
+ * @api
+ */
+#define rccDisableTIM11(lp) rccDisableAPB2(RCC_APB2ENR_TIM11EN, lp)
+
+/**
+ * @brief   Resets the TIM11 peripheral.
+ *
+ * @api
+ */
+#define rccResetTIM11() rccResetAPB2(RCC_APB2RSTR_TIM11RST)
+
 /** @} */
 
 /**
diff --git a/readme.txt b/readme.txt
index 84bad8ccb..3f4f88620 100644
--- a/readme.txt
+++ b/readme.txt
@@ -89,6 +89,8 @@
 *****************************************************************************
 
 *** 2.7.0 ***
+- FIX: Fixed wrong RTC macro names in STM32L1xx HAL (bug #422)(backported to
+  2.6.1 and 2.4.5).
 - FIX: Fixed FSMC reset on STM32F4xx (bug #420)(backported to 2.6.1
   and 2.4.4).
 - FIX: Fixed invalid directory links in the demo files (bug #419)(backported