diff --git a/src/chips.rs b/src/chips.rs
index ef4a1f5..5a317bc 100644
--- a/src/chips.rs
+++ b/src/chips.rs
@@ -11,8 +11,8 @@ pub fn chip_id_to_chip_name(chip_id: u32) -> Option<&'static str> {
         0x820_00000 => Some("CH582"),
         0x830_00000 => Some("CH583"),
         0x840_00000 => Some("CH584"),
-        0x850_00000 => Some("CH585"),
         0x920_00000 => Some("CH592"),
+        0x930_00000 => Some("CH585"),
         0x003_00000 => match chip_id & 0xFFFFFF0F {
             0x003_00500 => Some("CH32V003F4P6"),
             0x003_10500 => Some("CH32V003F4U6"),
diff --git a/src/lib.rs b/src/lib.rs
index 64d628f..31b5ed2 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -39,6 +39,7 @@ pub enum RiscvChip {
     /// The only reference I can find is <https://www.wch.cn/news/606.html>.
     CH8571 = 0x0A, // 10,
     /// CH59x RISC-V4C BLE 5.4 series, fallback as CH58X
+    /// FIXME: CH585 also reported as this
     CH59X = 0x0B, // 11
     /// CH643 RISC-V4C series, RGB Display Driver MCU
     CH643 = 0x0C, // 12