diff --git a/clang/include/clang/Analysis/FlowSensitive/MapLattice.h b/clang/include/clang/Analysis/FlowSensitive/MapLattice.h
index 16b0c978779a79..b2d147e4ae444b 100644
--- a/clang/include/clang/Analysis/FlowSensitive/MapLattice.h
+++ b/clang/include/clang/Analysis/FlowSensitive/MapLattice.h
@@ -49,7 +49,7 @@ template <typename Key, typename ElementLattice> class MapLattice {
 
   MapLattice() = default;
 
-  explicit MapLattice(Container C) { C = std::move(C); }
+  explicit MapLattice(Container C) : C{std::move(C)} {};
 
   // The `bottom` element is the empty map.
   static MapLattice bottom() { return MapLattice(); }