diff --git a/samples/99_matrixexperiments/matrix_kernel_tiled.cl b/samples/99_matrixexperiments/matrix_kernel_tiled.cl
index 0655d10..75ab95b 100644
--- a/samples/99_matrixexperiments/matrix_kernel_tiled.cl
+++ b/samples/99_matrixexperiments/matrix_kernel_tiled.cl
@@ -46,7 +46,7 @@ void HELPER_NAME(atile_prefetch_rowmajor_sg8, MM, NN)(global ushort* A, int tM,
 {
     for (int kk = 0; kk < KK; kk+=2) {
         for (int mm = 0; mm < MM; mm++) {
-            prefetch_a_rowmajor_d16_m8_k16v2_sg8(A, m + mm * tM, init_k + kk * tK, K);
+            prefetch_a_rowmajor_d16_m8_k16v2_sg8(A, m + mm * tM, prefetch_k + kk * tK, K);
         }
     }
 }
@@ -55,7 +55,7 @@ void HELPER_NAME(btile_prefetch_rowmajor_sg8, MM, NN)(global ushort* B, int tN,
 {
     for (int kk = 0; kk < KK; kk++) {
         for (int nn = 0; nn < NN; nn+=4) {
-            prefetch_b_rowmajor_d16_k16_n8v4_sg8(B, init_k + kk * tK, n + nn * tN, N);
+            prefetch_b_rowmajor_d16_k16_n8v4_sg8(B, prefetch_k + kk * tK, n + nn * tN, N);
         }
     }
 }
@@ -64,7 +64,7 @@ void HELPER_NAME(btile_prefetch_vnni_sg8, MM, NN)(global ushort* B, int tN, int
 {
     for (int kk = 0; kk < KK; kk++) {
         for (int nn = 0; nn < NN; nn+=2) {
-            prefetch_b_vnni_d16_k16_n8v2_sg8(B, init_k + kk * tK, n + nn * tN, N);
+            prefetch_b_vnni_d16_k16_n8v2_sg8(B, prefetch_k + kk * tK, n + nn * tN, N);
         }
     }
 }
@@ -83,12 +83,12 @@ kernel void MM_KERNEL_NAME(bfloat16_dpas_rowmajor_tiled, 8, 8, MM, NN)(global fl
     for (int p = 0; p < PREFETCH_DISTANCE; p++) {
         for (int kk = 0; kk < KK; kk+=2) {
             for (int mm = 0; mm < MM; mm++) {
-                prefetch_a_rowmajor_d16_m8_k16v2_sg8(A, m + mm * tM, init_k + kk * tK, K);
+                prefetch_a_rowmajor_d16_m8_k16v2_sg8(A, m + mm * tM, prefetch_k + kk * tK, K);
             }
         }
         for (int kk = 0; kk < KK; kk++) {
             for (int nn = 0; nn < NN; nn+=4) {
-                prefetch_b_rowmajor_d16_k16_n8v4_sg8(B, init_k + kk * tK, n + nn * tN, N);
+                prefetch_b_rowmajor_d16_k16_n8v4_sg8(B, prefetch_k + kk * tK, n + nn * tN, N);
             }
         }
         prefetch_k += tK * KK;
@@ -178,12 +178,12 @@ kernel void MM_KERNEL_NAME(bfloat16_dpas_vnni_tiled, 8, 8, MM, NN)(global float*
     for (int p = 0; p < PREFETCH_DISTANCE; p++) {
         for (int kk = 0; kk < KK; kk+=2) {
             for (int mm = 0; mm < MM; mm++) {
-                prefetch_a_rowmajor_d16_m8_k16v2_sg8(A, m + mm * tM, init_k + kk * tK, K);
+                prefetch_a_rowmajor_d16_m8_k16v2_sg8(A, m + mm * tM, prefetch_k + kk * tK, K);
             }
         }
         for (int kk = 0; kk < KK; kk++) {
             for (int nn = 0; nn < NN; nn+=2) {
-                prefetch_b_vnni_d16_k16_n8v2_sg8(B, init_k + kk * tK, n + nn * tN, N);
+                prefetch_b_vnni_d16_k16_n8v2_sg8(B, prefetch_k + kk * tK, n + nn * tN, N);
             }
         }
         prefetch_k += tK * KK;