diff --git a/llama.h b/llama.h
index e45f12975..f6c9d1751 100644
--- a/llama.h
+++ b/llama.h
@@ -191,8 +191,8 @@ extern "C" {
         float    yarn_beta_slow;   // YaRN high correction dim
         uint32_t yarn_orig_ctx;    // YaRN original context size
 
-        ggml_type type_k; // data type for K cache
-        ggml_type type_v; // data type for V cache
+        enum ggml_type type_k; // data type for K cache
+        enum ggml_type type_v; // data type for V cache
 
         // Keep the booleans together to avoid misalignment during copy-by-value.
         bool mul_mat_q;   // if true, use experimental mul_mat_q kernels (DEPRECATED - always true)