diff --git a/Kernel/VM/RangeAllocator.cpp b/Kernel/VM/RangeAllocator.cpp
index 7adfe080c4..dd8dbb4db9 100644
--- a/Kernel/VM/RangeAllocator.cpp
+++ b/Kernel/VM/RangeAllocator.cpp
@@ -170,7 +170,7 @@ void RangeAllocator::deallocate(Range range)
         inserted_index = nearby_index;
     } else {
         m_available_ranges.insert_before_matching(Range(range), [&](auto& entry) {
-            return entry.base() < range.end();
+            return entry.base() >= range.end();
         }, nearby_index, &inserted_index);
     }