diff --git a/lib/std/Target.zig b/lib/std/Target.zig
index 3d4cf4bd70cd10e0ec96e3067cc7b8aae97c5c9a..a737d3a02b19565ea804cd84e52161014fe024b6 100644
--- a/lib/std/Target.zig
+++ b/lib/std/Target.zig
@@ -3168,6 +3168,7 @@ pub fn cCharSignedness(target: *const Target) ?std.builtin.Signedness {
             .powerpcle,
             .powerpc64,
             .powerpc64le,
+            .propeller,
             .s390x,
             .riscv32,
             .riscv32be,