diff --git a/exllamav3/exllamav3_ext/quant/codebook.cuh b/exllamav3/exllamav3_ext/quant/codebook.cuh
index f26e19e..3b1ea24 100644
--- a/exllamav3/exllamav3_ext/quant/codebook.cuh
+++ b/exllamav3/exllamav3_ext/quant/codebook.cuh
@@ -4,8 +4,8 @@
 
 __device__ inline half decode_3inst(uint32_t x)
 {
-    x *= 89226354u;
-    x += 64248484u;
+    x *= 0xFF7A83E5u;  //    x *= 89226354u;
+    // x += 64248484u;
     x &= 0b10001111111111111000111111111111u;
     x ^= 0b00111011011000000011101101100000u;
     half2_uint32 xu(x);
@@ -14,10 +14,10 @@ __device__ inline half decode_3inst(uint32_t x)
 
 __device__ inline half2 decode_3inst_2(uint32_t x0, uint32_t x1)
 {
-    x0 *= 89226354u;
-    x1 *= 89226354u;
-    x0 += 64248484u;
-    x1 += 64248484u;
+    x0 *= 0xFF7A83E5u;  //    x0 *= 89226354u;
+    x1 *= 0xFF7A83E5u;  //    x1 *= 89226354u;
+    // x0 += 64248484u;
+    // x1 += 64248484u;
     x0 &= 0b10001111111111111000111111111111u;
     x1 &= 0b10001111111111111000111111111111u;
     x0 ^= 0b00111011011000000011101101100000u;