diff --git a/src-self-hosted/target.zig b/src-self-hosted/target.zig
index 2c3d944a8843f21b3af46efc1ee0288dca135647..f541d6efb99c160dfcf66d16a0302775fc895ea7 100644
--- a/src-self-hosted/target.zig
+++ b/src-self-hosted/target.zig
@@ -575,6 +575,7 @@ pub const Target = union(enum) {
             builtin.Os.contiki,
             builtin.Os.amdpal,
             builtin.Os.hermit,
+            builtin.Os.hurd,
             => @panic("TODO specify the C integer type sizes for this OS"),
         }
     }