diff --git a/test/hotspot/gtest/nmt/test_nmt_cornercases.cpp b/test/hotspot/gtest/nmt/test_nmt_cornercases.cpp
index 0d7d4b2ae09..154ba09095b 100644
--- a/test/hotspot/gtest/nmt/test_nmt_cornercases.cpp
+++ b/test/hotspot/gtest/nmt/test_nmt_cornercases.cpp
@@ -104,7 +104,9 @@ static void* do_realloc(void* p, size_t old_size, size_t new_size, uint8_t old_c
   if (old_size < new_size) {
     GtestUtils::check_range((char*)p2, old_size, old_content);
 #ifdef ASSERT
-    GtestUtils::check_range((char*)p2 + old_size, new_size - old_size, uninitBlockPad);
+    if (MemTracker::enabled()) {
+      GtestUtils::check_range((char*)p2 + old_size, new_size - old_size, uninitBlockPad);
+    }
 #endif
   } else {
     GtestUtils::check_range((char*)p2, new_size, old_content);