diff --git a/tests/test-llama-grammar.cpp b/tests/test-llama-grammar.cpp
index 2fa4f99a9..f98c6531f 100644
--- a/tests/test-llama-grammar.cpp
+++ b/tests/test-llama-grammar.cpp
@@ -398,5 +398,6 @@ int main()
         delete[] candidate.code_points;
         candidate.code_points = nullptr;
     }
+    delete grammar;
     return 0;
 }