diff --git a/src/target/riscv/riscv.c b/src/target/riscv/riscv.c
index 46571890b..f1152a34f 100644
--- a/src/target/riscv/riscv.c
+++ b/src/target/riscv/riscv.c
@@ -1883,6 +1883,7 @@ int riscv_init_registers(struct target *target)
 			sprintf(reg_name, "priv");
 			r->group = "general";
 			r->feature = &feature_virtual;
+			r->size = 8;
 		}
 		if (reg_name[0]) {
 			r->name = reg_name;