diff --git a/lib/std/Target.zig b/lib/std/Target.zig
index fbf745ebbb28ded138bd7de3ab61cab9030cc564..dbf6d4e4158fccf366d2ffe014689f59cf73a2b9 100644
--- a/lib/std/Target.zig
+++ b/lib/std/Target.zig
@@ -3189,6 +3189,7 @@ pub fn cCharSignedness(target: *const Target) ?std.builtin.Signedness {
             .powerpcle,
             .powerpc64,
             .powerpc64le,
+            .propeller,
             .s390x,
             .riscv32,
             .riscv32be,