diff --git a/src/mappings.rs b/src/mappings.rs
index 26b7bcb..0d4ab51 100644
--- a/src/mappings.rs
+++ b/src/mappings.rs
@@ -99,7 +99,7 @@ pub struct Stride {
 }
 
 #[derive(Debug)]
-pub struct StrideMapping<const STRIDE_NUM: usize = 32> {
+pub struct StrideMapping<const STRIDE_NUM: usize = 24> {
     pub strides: [Stride; STRIDE_NUM],
     pub stride_count: usize,
     pixel_count: usize,