diff --git a/pipelined/config/buildroot/wally-config.vh b/pipelined/config/buildroot/wally-config.vh
index 5ab833be..814e3776 100644
--- a/pipelined/config/buildroot/wally-config.vh
+++ b/pipelined/config/buildroot/wally-config.vh
@@ -127,6 +127,7 @@
 // Interrupt configuration
 `define PLIC_NUM_SRC 53
 `define PLIC_UART_ID 10
+`define PLIC_GPIO_ID 3
 
 `define BPRED_ENABLED 1
 `define BPTYPE "BPGSHARE" // BPLOCALPAg or BPGLOBAL or BPTWOBIT or BPGSHARE
diff --git a/pipelined/config/fpga/wally-config.vh b/pipelined/config/fpga/wally-config.vh
index 4989b571..6b977fcb 100644
--- a/pipelined/config/fpga/wally-config.vh
+++ b/pipelined/config/fpga/wally-config.vh
@@ -137,6 +137,7 @@
 // Interrupt configuration
 `define PLIC_NUM_SRC 53
 `define PLIC_UART_ID 10
+`define PLIC_GPIO_ID 3
 
 `define TWO_BIT_PRELOAD "../config/fpga/twoBitPredictor.txt"
 `define BTB_PRELOAD "../config/fpga/BTBPredictor.txt"