diff --git a/boards/pba-d-01-kw2x/include/periph_conf.h b/boards/pba-d-01-kw2x/include/periph_conf.h
index 6a02c49301..0460b29734 100644
--- a/boards/pba-d-01-kw2x/include/periph_conf.h
+++ b/boards/pba-d-01-kw2x/include/periph_conf.h
@@ -271,6 +271,7 @@ static const i2c_conf_t i2c_config[] = {
     },
 };
 #define I2C_NUMOF           (sizeof(i2c_config) / sizeof(i2c_config[0]))
+#define I2C_0_ISR           (isr_i2c1)
 /** @} */
 
 #ifdef __cplusplus