diff --git a/src/common/memory/MemoryUtils.cpp b/src/common/memory/MemoryUtils.cpp
index 7f8eae60a86..0d35b160d4e 100644
--- a/src/common/memory/MemoryUtils.cpp
+++ b/src/common/memory/MemoryUtils.cpp
@@ -114,7 +114,7 @@ StatusOr<bool> MemoryUtils::hitsHighWatermark() {
 #if ENABLE_JEMALLOC
   // set MemoryStats limit (MemoryTracker track-able memory)
   memory::MemoryStats::instance().setLimit(
-      (total - FLAGS_memory_tracker_untracked_reserved_memory_mb) *
+      (total - FLAGS_memory_tracker_untracked_reserved_memory_mb * 1024 * 1024) *
       FLAGS_memory_tracker_limit_ratio);
 
   // purge if enabled