diff --git a/src/hotspot/share/c1/c1_GraphBuilder.cpp b/src/hotspot/share/c1/c1_GraphBuilder.cpp
index 851d3dc6bb9..77b27279448 100644
--- a/src/hotspot/share/c1/c1_GraphBuilder.cpp
+++ b/src/hotspot/share/c1/c1_GraphBuilder.cpp
@@ -1042,7 +1042,7 @@ void GraphBuilder::load_indexed(BasicType type) {
       bool next_needs_patching = !next_field->holder()->is_loaded() ||
                                  !next_field->will_link(method(), Bytecodes::_getfield) ||
                                  PatchALot;
-      can_delay_access = !next_needs_patching;
+      can_delay_access = C1UseDelayedFlattenedFieldReads && !next_needs_patching;
     }
     if (can_delay_access) {
       // potentially optimizable array access, storing information for delayed decision
@@ -1972,7 +1972,7 @@ void GraphBuilder::access_field(Bytecodes::Code code) {
             bool next_needs_patching = !next_field->holder()->is_loaded() ||
                                        !next_field->will_link(method(), Bytecodes::_getfield) ||
                                        PatchALot;
-            can_delay_access = !next_needs_patching;
+            can_delay_access = C1UseDelayedFlattenedFieldReads && !next_needs_patching;
           }
           if (can_delay_access) {
             if (has_pending_load_indexed()) {
diff --git a/src/hotspot/share/c1/c1_globals.hpp b/src/hotspot/share/c1/c1_globals.hpp
index 7564b2b8aae..a6e92f747e9 100644
--- a/src/hotspot/share/c1/c1_globals.hpp
+++ b/src/hotspot/share/c1/c1_globals.hpp
@@ -332,7 +332,10 @@
           "Update MethodData*s in Tier1-generated code")                    \
                                                                             \
   develop(bool, PrintCFGToFile, false,                                      \
-          "print control flow graph to a separate file during compilation")
+          "print control flow graph to a separate file during compilation") \
+                                                                            \
+  develop(bool, C1UseDelayedFlattenedFieldReads, true,                      \
+          "Use delayed reads of flattened field to reduce buffering")
 
 // end of C1_FLAGS