diff --git a/Source/system/interrupts.c b/Source/system/interrupts.c
--- a/Source/system/interrupts.c
+++ b/Source/system/interrupts.c
@@ -8,6 +8,7 @@
 #include "stm32f0xx.h"
 #include "system/gpio.h"
 #include "aprs/afsk.h"
+#include "pressure.h"
 
 // Systick
 void SysTick_Handler(void)
@@ -26,3 +27,14 @@ void TIM1_BRK_UP_TRG_COM_IRQHandler(void
 {
   HAL_TIM_IRQHandler(afsk_timer_gethandle());
 }
+
+
+// Handle I2C interrupts
+void I2C1_IRQHandler(void)
+{
+	if (pressure_get_i2c_handle()->Instance->ISR & (I2C_FLAG_BERR | I2C_FLAG_ARLO | I2C_FLAG_OVR)) {
+		HAL_I2C_ER_IRQHandler(pressure_get_i2c_handle());
+	} else {
+		HAL_I2C_EV_IRQHandler(pressure_get_i2c_handle());
+	}
+}