diff --git a/src/codegen/llvm.zig b/src/codegen/llvm.zig
index 39bb0dd94cbe3780d3df53bfbeb4b75cd757d53b..bca116f18f6a3a42861d3673ca1ea45d4d07f693 100644
--- a/src/codegen/llvm.zig
+++ b/src/codegen/llvm.zig
@@ -4213,6 +4213,7 @@ pub const DeclGen = struct {
         // verbatim, and the result should test as non-null.
         const target = dg.module.getTarget();
         const int = switch (target.cpu.arch.ptrBitWidth()) {
+            16 => llvm_usize.constInt(0xaaaa, .False),
             32 => llvm_usize.constInt(0xaaaaaaaa, .False),
             64 => llvm_usize.constInt(0xaaaaaaaa_aaaaaaaa, .False),
             else => unreachable,