diff --git a/fuzzing/llm/xz_fuzzer/xz_decoder_fuzzer.cpp b/fuzzing/llm/xz_fuzzer/xz_decoder_fuzzer.cpp
index 06dd7c6..61c4d03 100644
--- a/fuzzing/llm/xz_fuzzer/xz_decoder_fuzzer.cpp
+++ b/fuzzing/llm/xz_fuzzer/xz_decoder_fuzzer.cpp
@@ -1,6 +1,9 @@
 #include <fuzzer/FuzzedDataProvider.h>
 #include "xz.h"
 
+constexpr size_t kMinSize = 0;
+constexpr size_t kMaxSize = 1000;
+
 // Function to initialize xz_dec structure using xz_dec_init
 struct xz_dec *init_xz_dec(FuzzedDataProvider& stream) {
     // Randomly select a mode from the xz_mode enum
@@ -8,7 +11,8 @@
     enum xz_mode mode = stream.PickValueInArray(modes);
 
     // Generate a random dict_max value
-    uint32_t dict_max = stream.ConsumeIntegral<uint32_t>();
+    uint32_t dict_max =
+        stream.ConsumeIntegralInRange<uint32_t>(kMinSize, kMaxSize);
 
     // Initialize the xz_dec structure
     struct xz_dec *s = xz_dec_init(mode, dict_max);