diff --git a/src/xrpld/app/misc/SHAMapStoreImp.cpp b/src/xrpld/app/misc/SHAMapStoreImp.cpp
index e34b49fc3d..5a279cdea8 100644
--- a/src/xrpld/app/misc/SHAMapStoreImp.cpp
+++ b/src/xrpld/app/misc/SHAMapStoreImp.cpp
@@ -645,7 +645,7 @@ SHAMapStoreImp::healthWait()
         // of lastRotated in run()?
         lastGoodValidatedLedger_ = index;
     }
-    numMissing = ledgerMaster_->missingFromCompleteLedgerRange(
+    auto numMissing = ledgerMaster_->missingFromCompleteLedgerRange(
         lastGoodValidatedLedger_, index);
     while (
         !stop_ &&