diff --git a/lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.cpp b/lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.cpp
index 2818d31eb2301..806f256d9da48 100644
--- a/lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.cpp
+++ b/lldb/source/Plugins/ObjectFile/Minidump/MinidumpFileBuilder.cpp
@@ -1170,7 +1170,6 @@ MinidumpFileBuilder::AddMemoryList_64(std::vector<CoreFileMemoryRange> &ranges,
               "(%" PRIx64 "bytes) "
               "[%" PRIx64 ", %" PRIx64 ")",
               region_index, ranges.size(), size, addr, addr + size);
-    ++region_index;
 
     progress.Increment(1, "Adding Memory Range " + core_range.Dump());
     uint64_t bytes_read = 0;
@@ -1186,6 +1185,8 @@ MinidumpFileBuilder::AddMemoryList_64(std::vector<CoreFileMemoryRange> &ranges,
       cleanup_required = true;
       descriptors[region_index].DataSize = bytes_read;
     }
+
+    ++region_index;
   }
 
   // Early return if there is no cleanup needed.