diff --git a/src/compiler/codegen/GenCommon.cc b/src/compiler/codegen/GenCommon.cc
index 52ff3d7..cc0d624 100644
--- a/src/compiler/codegen/GenCommon.cc
+++ b/src/compiler/codegen/GenCommon.cc
@@ -1049,6 +1049,9 @@
             if (isVolatile) {
                 oatGenMemBarrier(cUnit, kSY);
             }
+            if (isObject) {
+                markGCCard(cUnit, rlSrc.lowReg, rlObj.lowReg);
+            }
         }
     } else {
         int setterOffset = isLongOrDouble ? OFFSETOF_MEMBER(Thread, pSet64Instance) :
@@ -1434,6 +1437,7 @@
     }
     storeBaseIndexed(cUnit, regPtr, rlIndex.lowReg, rlSrc.lowReg,
                      scale, kWord);
+    markGCCard(cUnit, rlSrc.lowReg, rlArray.lowReg);
 }
 
 /*