diff --git a/examples/common-ggml.cpp b/examples/common-ggml.cpp
index e69bd510..6da3c901 100644
--- a/examples/common-ggml.cpp
+++ b/examples/common-ggml.cpp
@@ -62,6 +62,8 @@ bool ggml_common_quantize_0(
         case GGML_FTYPE_ALL_F32:
         case GGML_FTYPE_MOSTLY_F16:
         case GGML_FTYPE_MOSTLY_Q4_1_SOME_F16:
+        case GGML_FTYPE_MOSTLY_IQ2_XXS:
+        case GGML_FTYPE_MOSTLY_IQ2_XS:
                 {
                     fprintf(stderr, "%s: invalid model type %d\n", __func__, ftype);
                     return false;