diff --git a/fuzz/fuzz-conv.c b/fuzz/fuzz-conv.c
index 0790a63..9b5c261 100644
--- a/fuzz/fuzz-conv.c
+++ b/fuzz/fuzz-conv.c
@@ -25,6 +25,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size){
     static int init_done = 0;
 
     if (!init_done) {
+	setenv("GC_LARGE_ALLOC_WARN_INTERVAL", "30000", 1);
 	GC_INIT();
 #if (GC_VERSION_MAJOR>7) || ((GC_VERSION_MAJOR==7) && (GC_VERSION_MINOR>=2))
 	GC_set_oom_fn(die_oom);