diff --git a/configs/nucleo-l432kc/src/stm32_appinit.c b/configs/nucleo-l432kc/src/stm32_appinit.c
index 07f6ec4471..8755a9350b 100644
--- a/configs/nucleo-l432kc/src/stm32_appinit.c
+++ b/configs/nucleo-l432kc/src/stm32_appinit.c
@@ -55,6 +55,7 @@
 
 #include <stm32l4.h>
 #include <stm32l4_uart.h>
+#include <stm32l4_i2c.h>
 
 #include <arch/board/board.h>
 
@@ -65,6 +66,15 @@
 #  include "stm32l4_rtc.h"
 #endif
 
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#undef HAVE_I2C_DRIVER
+#if defined(CONFIG_STM32L4_I2C1) && defined(CONFIG_I2C_DRIVER)
+#  define HAVE_I2C_DRIVER 1
+#endif
+
 /****************************************************************************
  * Public Functions
  ****************************************************************************/
@@ -95,7 +105,7 @@ void up_netinitialize(void)
  *   arg - The boardctl() argument is passed to the board_app_initialize()
  *         implementation without modification.  The argument has no
  *         meaning to NuttX; the meaning of the argument is a contract
- *         between the board-specific initalization logic and the
+ *         between the board-specific initialization logic and the
  *         matching application logic.  The value cold be such things as a
  *         mode enumeration value, a set of DIP switch switch settings, a
  *         pointer to configuration data read from a file or serial FLASH,
@@ -113,6 +123,9 @@ int board_app_initialize(uintptr_t arg)
 #ifdef HAVE_RTC_DRIVER
   FAR struct rtc_lowerhalf_s *rtclower;
 #endif
+#ifdef HAVE_I2C_DRIVER
+  FAR struct i2c_master_s *i2c;
+#endif
 #ifdef CONFIG_SENSORS_QENCODER
   int index;
   char buf[9];
@@ -170,6 +183,26 @@ int board_app_initialize(uintptr_t arg)
     }
 #endif
 
+#ifdef HAVE_I2C_DRIVER
+  /* Get the I2C lower half instance */
+
+  i2c = stm32l4_i2cbus_initialize(1);
+  if (i2c == NULL)
+    {
+      i2cerr("ERROR: Initialize I2C1: %d\n", ret);
+    }
+  else
+    {
+      /* Register the I2C character driver */
+
+      ret = i2c_register(i2c, 1);
+      if (ret < 0)
+        {
+          i2cerr("ERROR: Failed to register I2C1 device: %d\n", ret);
+        }
+    }
+#endif
+
 #ifdef HAVE_AT45DB
   /* Initialize and register the ATDB FLASH file system. */