diff --git a/common/sampling.cpp b/common/sampling.cpp
index e4b21ca10..1ca26f1e3 100644
--- a/common/sampling.cpp
+++ b/common/sampling.cpp
@@ -151,12 +151,6 @@ struct common_sampler * common_sampler_init(const struct llama_model * model, co
 
     lparams.no_perf = params.no_perf;
 
-    std::vector<const char *> trigger_words;
-    trigger_words.reserve(params.grammar_trigger_words.size());
-    for (const auto & str : params.grammar_trigger_words) {
-        trigger_words.push_back(str.word.c_str());
-    }
-
     struct llama_sampler * grmr;
     if (params.grammar.compare(0, 11, "%llguidance") == 0) {
 #ifdef LLAMA_USE_LLGUIDANCE
@@ -165,6 +159,12 @@ struct common_sampler * common_sampler_init(const struct llama_model * model, co
         GGML_ABORT("llguidance (cmake -DLLAMA_LLGUIDANCE=ON) is not enabled");
 #endif // LLAMA_USE_LLGUIDANCE
     } else {
+        std::vector<const char *> trigger_words;
+        trigger_words.reserve(params.grammar_trigger_words.size());
+        for (const auto & str : params.grammar_trigger_words) {
+            trigger_words.push_back(str.word.c_str());
+        }
+
         grmr = params.grammar_lazy
              ? llama_sampler_init_grammar_lazy(vocab, params.grammar.c_str(), "root",
                                                trigger_words.data(), trigger_words.size(),