diff --git a/lucene/core/src/java/org/apache/lucene/index/SegmentMerger.java b/lucene/core/src/java/org/apache/lucene/index/SegmentMerger.java
index 5844836338f..c2ac1ce4c93 100644
--- a/lucene/core/src/java/org/apache/lucene/index/SegmentMerger.java
+++ b/lucene/core/src/java/org/apache/lucene/index/SegmentMerger.java
@@ -174,6 +174,7 @@ final class SegmentMerger {
             }
           }
         }
+        success = true;
       } finally {
         if (success) {
           IOUtils.close(consumer);
@@ -202,6 +203,7 @@ final class SegmentMerger {
             consumer.mergeNumericField(field, mergeState, toMerge);
           }
         }
+        success = true;
       } finally {
         if (success) {
           IOUtils.close(consumer);