diff --git a/target/riscv/cpu_bits.h b/target/riscv/cpu_bits.h
index 74318a9..a470fda 100644
--- a/target/riscv/cpu_bits.h
+++ b/target/riscv/cpu_bits.h
@@ -695,7 +695,8 @@
 #define IRQ_M_EXT                          11
 #define IRQ_S_GEXT                         12
 #define IRQ_PMU_OVF                        13
-#define IRQ_LOCAL_MAX                      16
+#define IRQ_LOCAL_MAX                      64
+/* -1 is due to bit zero of hgeip and hgeie being ROZ. */
 #define IRQ_LOCAL_GUEST_MAX                (TARGET_LONG_BITS - 1)
 
 /* mip masks */
diff --git a/target/riscv/csr.c b/target/riscv/csr.c
index dd89edb..ee33019 100644
--- a/target/riscv/csr.c
+++ b/target/riscv/csr.c
@@ -1145,7 +1145,14 @@
 
 #define VSTOPI_NUM_SRCS 5
 
-#define LOCAL_INTERRUPTS (~0x1FFF)
+/*
+ * All core local interrupts except the fixed ones 0:12. This macro is for
+ * virtual interrupts logic so please don't change this to avoid messing up
+ * the whole support, For reference see AIA spec: `5.3 Interrupt filtering and
+ * virtual interrupts for supervisor level` and `6.3.2 Virtual interrupts for
+ * VS level`.
+ */
+#define LOCAL_INTERRUPTS   (~0x1FFFULL)
 
 static const uint64_t delegable_ints =
     S_MODE_INTERRUPTS | VS_MODE_INTERRUPTS | MIP_LCOFIP;