diff --git a/libc/kernel/uapi/asm-arm64/asm/hwcap.h b/libc/kernel/uapi/asm-arm64/asm/hwcap.h
index 3ec1354..7852454 100644
--- a/libc/kernel/uapi/asm-arm64/asm/hwcap.h
+++ b/libc/kernel/uapi/asm-arm64/asm/hwcap.h
@@ -93,4 +93,5 @@
 #define HWCAP2_SME_BI32I32 (1UL << 40)
 #define HWCAP2_SME_B16B16 (1UL << 41)
 #define HWCAP2_SME_F16F16 (1UL << 42)
+#define HWCAP2_MOPS (1UL << 43)
 #endif