diff --git a/src/dev/arm/gic_v3_distributor.cc b/src/dev/arm/gic_v3_distributor.cc
index bae90bf..f85474c 100644
--- a/src/dev/arm/gic_v3_distributor.cc
+++ b/src/dev/arm/gic_v3_distributor.cc
@@ -794,7 +794,7 @@
 
                 for (int i = 0, int_id = first_intid;
                      i < 8 * size && int_id < itLines; i++, int_id++) {
-                    irqGrpmod[int_id] = data & (0x1 << i);
+                    irqGrpmod[int_id] = bits(data, i);
                 }
 
                 return ;