diff --git a/core/cva5.sv b/core/cva5.sv
index 4f21788..7bb8bee 100644
--- a/core/cva5.sv
+++ b/core/cva5.sv
@@ -546,13 +546,13 @@ module cva5
         .decode_stage (decode),
         .issue_stage (issue),
         .issue_stage_ready (issue_stage_ready),
-        .unit_needed (unit_needed[IEC_ID]),
-        .uses_rs (unit_uses_rs[IEC_ID]),
-        .uses_rd (unit_uses_rd[IEC_ID]),
+        .unit_needed (unit_needed[GC_ID]),
+        .uses_rs (unit_uses_rs[GC_ID]),
+        .uses_rd (unit_uses_rd[GC_ID]),
         .instruction_issued (instruction_issued),
         .constant_alu (constant_alu),
         .rf (rf_issue.data),
-        .issue (unit_issue[IEC_ID]),
+        .issue (unit_issue[GC_ID]),
         .branch_flush (branch_flush),
         .local_gc_exception (exception[GC_EXCEPTION]),
         .exception (exception),
diff --git a/core/types_and_interfaces/cva5_config.sv b/core/types_and_interfaces/cva5_config.sv
index e84d6b1..9748f57 100644
--- a/core/types_and_interfaces/cva5_config.sv
+++ b/core/types_and_interfaces/cva5_config.sv
@@ -116,7 +116,7 @@ package cva5_config;
     //Additionally, writeback units must be grouped before non-writeback units
     localparam MAX_NUM_UNITS = 9;
     typedef struct packed {
-        bit IEC;
+        bit GC;
         bit BR;
         //End of Write-Back Units
         bit CUSTOM;
@@ -129,7 +129,7 @@ package cva5_config;
     } units_t;
 
     typedef enum bit [$clog2(MAX_NUM_UNITS)-1:0] {
-        IEC_ID = 8,
+        GC_ID = 8,
         BR_ID = 7,
         //End of Write-Back Units (insert new writeback units here)
         CUSTOM_ID = 6,
@@ -249,7 +249,7 @@ package cva5_config;
             FPU : 1,
             CUSTOM : 0,
             BR : 1,
-            IEC : 1
+            GC : 1
         },
 
         INCLUDE_IFENCE : 1,
diff --git a/examples/litex/litex_wrapper.sv b/examples/litex/litex_wrapper.sv
index 196aaf7..cb9c4da 100755
--- a/examples/litex/litex_wrapper.sv
+++ b/examples/litex/litex_wrapper.sv
@@ -73,7 +73,7 @@ module litex_wrapper
             FPU : 0,
             CUSTOM : 0,
             BR : 1,
-            IEC : 1
+            GC : 1
         },
         INCLUDE_IFENCE : 1,
         INCLUDE_AMO : 1,
diff --git a/examples/nexys/nexys_config.sv b/examples/nexys/nexys_config.sv
index 0d51116..a9658ba 100644
--- a/examples/nexys/nexys_config.sv
+++ b/examples/nexys/nexys_config.sv
@@ -44,7 +44,7 @@ package nexys_config;
             FPU : 1,
             CUSTOM : 0,
             BR : 1,
-            IEC : 1
+            GC : 1
         },
         INCLUDE_IFENCE : 0,
         INCLUDE_AMO : 0,