diff --git a/ggml/src/iqk/iqk_mul_mat.cpp b/ggml/src/iqk/iqk_mul_mat.cpp
index 3510cbaf..fffb3ab2 100644
--- a/ggml/src/iqk/iqk_mul_mat.cpp
+++ b/ggml/src/iqk/iqk_mul_mat.cpp
@@ -1510,18 +1510,13 @@ IQK_NOINLINE void mul_mat_iq2tn_q8_K(int n, const void * vx, size_t bx, const Da
 
         deq.new_row(ix);
 
-        for (int iy = 0; iy < nrc_y; ++iy) accd[iy] = _mm256_setzero_ps();
-
         for (int i = 0; i < nb; ++i) {
 
             __m256i sumi[nrc_y];
-            //deq.new_block(i, q8, sumi);
             deq.new_block(i);
 
             deq.prepare(i, 0);
             for (int iy = 0; iy < nrc_y; ++iy) {
-                //sumi[iy] = _mm256_sub_epi16(_mm256_add_epi16(_mm256_maddubs_epi16(deq.bits.values[0], q8.load_quants(iy, i, 0)),
-                //                                             _mm256_maddubs_epi16(deq.bits.values[1], q8.load_quants(iy, i, 1))), sumi[iy]);
                 sumi[iy] = _mm256_add_epi16(_mm256_maddubs_epi16(deq.bits.values[0], q8.load_quants(iy, i, 0)),
                                             _mm256_maddubs_epi16(deq.bits.values[1], q8.load_quants(iy, i, 1)));
                 sumi[iy] = _mm256_add_epi16(_mm256_add_epi16(_mm256_maddubs_epi16(deq.bits.values[2], q8.load_quants(iy, i, 2)),
@@ -1535,8 +1530,14 @@ IQK_NOINLINE void mul_mat_iq2tn_q8_K(int n, const void * vx, size_t bx, const Da
                                                              _mm256_maddubs_epi16(deq.bits.values[3], q8.load_quants(iy, i, 7))), sumi[iy]);
                 sumi[iy] = _mm256_sub_epi16(sumi[iy], q8.load_bsums(iy, i));
             }
-            for (int iy = 0; iy < nrc_y; ++iy) {
-                accd[iy] = _mm256_fmadd_ps(_mm256_set1_ps(deq.d*q8.scale(iy, i)), _mm256_cvtepi32_ps(_mm256_madd_epi16(m1, sumi[iy])), accd[iy]);
+            if (i > 0) {
+                for (int iy = 0; iy < nrc_y; ++iy) {
+                    accd[iy] = _mm256_fmadd_ps(_mm256_set1_ps(deq.d*q8.scale(iy, i)), _mm256_cvtepi32_ps(_mm256_madd_epi16(m1, sumi[iy])), accd[iy]);
+                }
+            } else {
+                for (int iy = 0; iy < nrc_y; ++iy) {
+                    accd[iy] = _mm256_mul_ps(_mm256_set1_ps(deq.d*q8.scale(iy, i)), _mm256_cvtepi32_ps(_mm256_madd_epi16(m1, sumi[iy])));
+                }
             }
 
         }
@@ -2040,7 +2041,7 @@ IQK_NOINLINE void mul_mat_iq2bn_q8_K64(int n, const void * vx, size_t bx, const
                     auto dot = _mm256_madd_epi16(m1_16, _mm256_add_epi16(
                                 _mm256_add_epi16(_mm256_maddubs_epi16(deq.m1_8, dot1), _mm256_maddubs_epi16(deq.m1_8, dot2)),
                                 _mm256_add_epi16(_mm256_maddubs_epi16(deq.m1_8, dot3), _mm256_maddubs_epi16(deq.m1_8, dot4))));
-                    accd[iy] = _mm256_add_epi32(dot, accd[iy]);
+                    accd[iy] = i > 0 ? _mm256_add_epi32(dot, accd[iy]) : dot;
 #endif
                 }
             }
@@ -3275,7 +3276,7 @@ bool MulMat::prepare(int typeA, int typeB, int ne00, MulMat& mm, int Ny) {
             mm.funcs[2] = mul_mat_iq2tn_q8_K<3>;
             mm.funcs[3] = mul_mat_iq2tn_q8_K<4>;
             mm.funcs[4] = mul_mat_iq2tn_q8_K<5>;
-            mm.funcs[5] = mul_mat_iq2tn_q8_K<6>;
+            //mm.funcs[5] = mul_mat_iq2tn_q8_K<6>;
             //mm.funcs[6] = mul_mat_iq2tn_q8_K<7>;
             //mm.funcs[7] = mul_mat_iq2tn_q8_K<8>;
 #endif