diff --git a/src/raw/generic.rs b/src/raw/generic.rs
index b4d31e62c2..8531633674 100644
--- a/src/raw/generic.rs
+++ b/src/raw/generic.rs
@@ -19,6 +19,8 @@ type GroupWord = u64;
     not(target_arch = "wasm32"),
 ))]
 type GroupWord = u32;
+#[cfg(target_pointer_width = "16")]
+type GroupWord = u16;
 
 pub type BitMaskWord = GroupWord;
 pub const BITMASK_STRIDE: usize = 8;