diff --git a/src/arch/x86_64/encodings.zig b/src/arch/x86_64/encodings.zig
index a0cd1af0a7..3518d03d4a 100644
--- a/src/arch/x86_64/encodings.zig
+++ b/src/arch/x86_64/encodings.zig
@@ -369,11 +369,11 @@ pub const table = [_]Entry{
     .{ .mov, .rm, &.{ .sreg,    .r32_m16 }, &.{ 0x8e }, 0, .none,  .none },
     .{ .mov, .rm, &.{ .sreg,    .r64_m16 }, &.{ 0x8e }, 0, .long,  .none },
     .{ .mov, .fd, &.{ .al,      .moffs   }, &.{ 0xa0 }, 0, .none,  .none },
-    .{ .mov, .fd, &.{ .ax,      .moffs   }, &.{ 0xa1 }, 0, .none,  .none },
+    .{ .mov, .fd, &.{ .ax,      .moffs   }, &.{ 0xa1 }, 0, .short, .none },
     .{ .mov, .fd, &.{ .eax,     .moffs   }, &.{ 0xa1 }, 0, .none,  .none },
     .{ .mov, .fd, &.{ .rax,     .moffs   }, &.{ 0xa1 }, 0, .long,  .none },
     .{ .mov, .td, &.{ .moffs,   .al      }, &.{ 0xa2 }, 0, .none,  .none },
-    .{ .mov, .td, &.{ .moffs,   .ax      }, &.{ 0xa3 }, 0, .none,  .none },
+    .{ .mov, .td, &.{ .moffs,   .ax      }, &.{ 0xa3 }, 0, .short, .none },
     .{ .mov, .td, &.{ .moffs,   .eax     }, &.{ 0xa3 }, 0, .none,  .none },
     .{ .mov, .td, &.{ .moffs,   .rax     }, &.{ 0xa3 }, 0, .long,  .none },
     .{ .mov, .oi, &.{ .r8,      .imm8    }, &.{ 0xb0 }, 0, .none,  .none },