diff --git a/boards/b-l072z-lrwan1/include/periph_conf.h b/boards/b-l072z-lrwan1/include/periph_conf.h
index 3b14a8d8d9..697d01f53d 100644
--- a/boards/b-l072z-lrwan1/include/periph_conf.h
+++ b/boards/b-l072z-lrwan1/include/periph_conf.h
@@ -22,6 +22,7 @@
 #include "periph_cpu.h"
 #include "l0/cfg_clock_32_16_1.h"
 #include "cfg_rtt_default.h"
+#include "cfg_i2c1_pb8_pb9.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -175,29 +176,6 @@ static const spi_conf_t spi_config[] = {
 #define SPI_NUMOF           (sizeof(spi_config) / sizeof(spi_config[0]))
 /** @} */
 
-/**
- * @name I2C configuration
- * @{
- */
-static const i2c_conf_t i2c_config[] = {
-    {
-        .dev            = I2C1,
-        .speed          = I2C_SPEED_NORMAL,
-        .scl_pin        = GPIO_PIN(PORT_B, 8),
-        .sda_pin        = GPIO_PIN(PORT_B, 9),
-        .scl_af         = GPIO_AF4,
-        .sda_af         = GPIO_AF4,
-        .bus            = APB1,
-        .rcc_mask       = RCC_APB1ENR_I2C1EN,
-        .irqn           = I2C1_IRQn
-    }
-};
-
-#define I2C_0_ISR           isr_i2c1
-
-#define I2C_NUMOF           (sizeof(i2c_config) / sizeof(i2c_config[0]))
-/** @} */
-
 /**
  * @name    RTC configuration
  * @{
diff --git a/boards/common/stm32/include/cfg_i2c1_pb8_pb9.h b/boards/common/stm32/include/cfg_i2c1_pb8_pb9.h
index aad781d884..d1e734f5ee 100644
--- a/boards/common/stm32/include/cfg_i2c1_pb8_pb9.h
+++ b/boards/common/stm32/include/cfg_i2c1_pb8_pb9.h
@@ -53,9 +53,11 @@ static const i2c_conf_t i2c_config[] = {
 #elif CPU_FAM_STM32F7
         .rcc_mask       = RCC_APB1ENR_I2C1EN,
         .irqn           = I2C1_ER_IRQn,
-#elif CPU_FAM_STM32F0
+#elif CPU_FAM_STM32F0 || CPU_FAM_STM32L0
         .rcc_mask       = RCC_APB1ENR_I2C1EN,
+#if CPU_FAM_STM32F0
         .rcc_sw_mask    = RCC_CFGR3_I2C1SW,
+#endif
         .irqn           = I2C1_IRQn,
 #endif
     }
@@ -65,7 +67,7 @@ static const i2c_conf_t i2c_config[] = {
 #define I2C_0_ISR           isr_i2c1_ev
 #elif CPU_FAM_STM32L4 || CPU_FAM_STM32F7
 #define I2C_0_ISR           isr_i2c1_er
-#elif CPU_FAM_STM32F0
+#elif CPU_FAM_STM32F0 || CPU_FAM_STM32L0
 #define I2C_0_ISR           isr_i2c1
 #endif