diff --git a/examples/common-ggml.cpp b/examples/common-ggml.cpp
index c42b644fedd..e7658523ba0 100644
--- a/examples/common-ggml.cpp
+++ b/examples/common-ggml.cpp
@@ -14,6 +14,7 @@ static const std::map<std::string, enum ggml_ftype> GGML_FTYPE_MAP = {
     {"q4_k", GGML_FTYPE_MOSTLY_Q4_K},
     {"q5_k", GGML_FTYPE_MOSTLY_Q5_K},
     {"q6_k", GGML_FTYPE_MOSTLY_Q6_K},
+    {"iq4_nl", GGML_FTYPE_MOSTLY_IQ4_NL},
 };
 
 void ggml_print_ftypes(FILE * fp) {
@@ -24,7 +25,7 @@ void ggml_print_ftypes(FILE * fp) {
 
 enum ggml_ftype ggml_parse_ftype(const char * str) {
     enum ggml_ftype ftype;
-    if (str[0] == 'q') {
+    if (str[0] == 'q' || str[0] == 'i') {
         const auto it = GGML_FTYPE_MAP.find(str);
         if (it == GGML_FTYPE_MAP.end()) {
             fprintf(stderr, "%s: unknown ftype '%s'\n", __func__, str);
@@ -58,6 +59,7 @@ bool ggml_common_quantize_0(
         case GGML_FTYPE_MOSTLY_Q4_K: qtype = GGML_TYPE_Q4_K; break;
         case GGML_FTYPE_MOSTLY_Q5_K: qtype = GGML_TYPE_Q5_K; break;
         case GGML_FTYPE_MOSTLY_Q6_K: qtype = GGML_TYPE_Q6_K; break;
+        case GGML_FTYPE_MOSTLY_IQ4_NL: qtype = GGML_TYPE_IQ4_NL; break;
         case GGML_FTYPE_UNKNOWN:
         case GGML_FTYPE_ALL_F32:
         case GGML_FTYPE_MOSTLY_F16:
@@ -68,7 +70,6 @@ bool ggml_common_quantize_0(
         case GGML_FTYPE_MOSTLY_IQ3_XXS:
         case GGML_FTYPE_MOSTLY_IQ3_S:
         case GGML_FTYPE_MOSTLY_IQ1_S:
-        case GGML_FTYPE_MOSTLY_IQ4_NL:
         case GGML_FTYPE_MOSTLY_IQ4_XS:
         case GGML_FTYPE_MOSTLY_IQ1_M:
         case GGML_FTYPE_MOSTLY_BF16:
@@ -188,6 +189,7 @@ bool ggml_common_quantize_0(
                 case GGML_TYPE_Q4_K:
                 case GGML_TYPE_Q5_K:
                 case GGML_TYPE_Q6_K:
+                case GGML_TYPE_IQ4_NL:
                     {
                         cur_size = ggml_quantize_chunk((ggml_type) ttype, data_f32.data(), work.data(), 0, nelements/ne[0], ne[0], nullptr);
                     } break;
@@ -206,7 +208,6 @@ bool ggml_common_quantize_0(
                 case GGML_TYPE_IQ3_XXS:
                 case GGML_TYPE_IQ3_S:
                 case GGML_TYPE_IQ1_S:
-                case GGML_TYPE_IQ4_NL:
                 case GGML_TYPE_IQ4_XS:
                 case GGML_TYPE_IQ1_M:
                 case GGML_TYPE_BF16: