diff --git a/ggml/src/iqk/iqk_gemm_legacy_quants.cpp b/ggml/src/iqk/iqk_gemm_legacy_quants.cpp
index ab0a613d..9f49fbd3 100644
--- a/ggml/src/iqk/iqk_gemm_legacy_quants.cpp
+++ b/ggml/src/iqk/iqk_gemm_legacy_quants.cpp
@@ -551,6 +551,14 @@ struct IQ4_NL_Dequantizer {
     }
 };
 
+struct IQ4_NL0_Dequantizer {
+    Dequantizer4bit b4;
+    const __m256i values = load_iq4k_values_256();
+    inline __m256i dequant(const block_iq4_nl * x) const {
+        return _mm256_shuffle_epi8(values, b4.dequant(x->qs));
+    }
+};
+
 struct Q4_1_Dequantizer {
     Dequantizer4bit b4;
     inline __m256i dequant(const block_q4_1 * x) const {
@@ -1792,10 +1800,11 @@ template <typename Dequantizer> void set_functions(std::array<mul_mat_t, IQK_MAX
 
 bool iqk_convert_legacy_quants_q8_r8(int type, int n, const void * vx, size_t bx, void * vy, int nrc_x) {
     switch (type) {
-        case GGML_TYPE_Q4_0: iqk_convert_qX_q80_r8<block_q4_0, Q4_0_Dequantizer>(n, vx, bx, vy, nrc_x); break;
-        case GGML_TYPE_Q5_0: iqk_convert_qX_q80_r8<block_q5_0, Q5_0_Dequantizer>(n, vx, bx, vy, nrc_x); break;
-        case GGML_TYPE_Q6_0: iqk_convert_qX_q80_r8<block_q6_0, Q6_0_Dequantizer>(n, vx, bx, vy, nrc_x); break;
-        case GGML_TYPE_Q8_0: iqk_convert_q80_q80_r8(n, vx, bx, vy, nrc_x); break;
+        case GGML_TYPE_Q4_0  : iqk_convert_qX_q80_r8<block_q4_0, Q4_0_Dequantizer>(n, vx, bx, vy, nrc_x); break;
+        case GGML_TYPE_Q5_0  : iqk_convert_qX_q80_r8<block_q5_0, Q5_0_Dequantizer>(n, vx, bx, vy, nrc_x); break;
+        case GGML_TYPE_Q6_0  : iqk_convert_qX_q80_r8<block_q6_0, Q6_0_Dequantizer>(n, vx, bx, vy, nrc_x); break;
+        case GGML_TYPE_IQ4_NL: iqk_convert_qX_q80_r8<block_iq4_nl, IQ4_NL0_Dequantizer>(n, vx, bx, vy, nrc_x); break;
+        case GGML_TYPE_Q8_0  : iqk_convert_q80_q80_r8(n, vx, bx, vy, nrc_x); break;
         default: return false;
     }
     return true;
diff --git a/ggml/src/iqk/iqk_mul_mat.cpp b/ggml/src/iqk/iqk_mul_mat.cpp
index cfd6beb4..010f6659 100644
--- a/ggml/src/iqk/iqk_mul_mat.cpp
+++ b/ggml/src/iqk/iqk_mul_mat.cpp
@@ -261,6 +261,7 @@ struct MulMat {
             case GGML_TYPE_Q4_0   : return nrc_y >= 32 ? GGML_TYPE_Q8_0_R8 : type;
             case GGML_TYPE_Q5_0   : return nrc_y >= 32 ? GGML_TYPE_Q8_0_R8 : type;
             case GGML_TYPE_Q6_0   : return nrc_y >= 32 ? GGML_TYPE_Q8_0_R8 : type;
+            case GGML_TYPE_IQ4_NL : return nrc_y >= 32 ? GGML_TYPE_Q8_0_R8 : type;
             case GGML_TYPE_Q8_0   : return nrc_y >= 32 ? GGML_TYPE_Q8_0_R8 : type;
             default: break;
         }
@@ -413,7 +414,7 @@ bool iqk_convert_repack(int typeA, int n, const void * vx, size_t bx, void * vy,
         //case GGML_TYPE_Q5_1:
         case GGML_TYPE_Q6_0:
         case GGML_TYPE_Q8_0:
-        //case GGML_TYPE_IQ4_NL:
+        case GGML_TYPE_IQ4_NL:
         //case GGML_TYPE_Q4_0_R8:
         //case GGML_TYPE_Q5_0_R4:
         //case GGML_TYPE_Q6_0_R4: