diff --git a/src/llama-sampling.cpp b/src/llama-sampling.cpp
index d71516153..1a297aa38 100644
--- a/src/llama-sampling.cpp
+++ b/src/llama-sampling.cpp
@@ -1764,7 +1764,7 @@ struct llama_sampler * llama_sampler_init_logit_bias(
 
 // infill
 
-//#define GGML_DEBUG_SAMPLER_INFILL
+#define GGML_DEBUG_SAMPLER_INFILL
 
 struct llama_sampler_infill {
     const struct llama_vocab * vocab;