diff --git a/lib/Edit/RewriteObjCFoundationAPI.cpp b/lib/Edit/RewriteObjCFoundationAPI.cpp
index 846d58fc2cbae9e2c8c1fbc865608bff57c36d37..7445700cc49ff124cfbaa491c550e13dc1301a28 100644
--- a/lib/Edit/RewriteObjCFoundationAPI.cpp
+++ b/lib/Edit/RewriteObjCFoundationAPI.cpp
@@ -624,6 +624,7 @@ static bool subscriptOperatorNeedsParens(const Expr *FullExpr) {
       isa<ObjCPropertyRefExpr>(Expr) ||
       isa<ObjCProtocolExpr>(Expr) ||
       isa<MemberExpr>(Expr) ||
+      isa<ObjCIvarRefExpr>(Expr) ||
       isa<ParenExpr>(FullExpr) ||
       isa<ParenListExpr>(Expr) ||
       isa<SizeOfPackExpr>(Expr))
@@ -650,6 +651,7 @@ static bool castOperatorNeedsParens(const Expr *FullExpr) {
       isa<ObjCPropertyRefExpr>(Expr) ||
       isa<ObjCProtocolExpr>(Expr) ||
       isa<MemberExpr>(Expr) ||
+      isa<ObjCIvarRefExpr>(Expr) ||
       isa<ParenExpr>(FullExpr) ||
       isa<ParenListExpr>(Expr) ||
       isa<SizeOfPackExpr>(Expr) ||
diff --git a/test/ARCMT/objcmt-subscripting-literals.m b/test/ARCMT/objcmt-subscripting-literals.m
index 0371e2e2ca6c8c3f05ffa4cd5a0278315ca459ee..6d626c4683decafe6fca3f0c462545dc49e8ba66 100644
--- a/test/ARCMT/objcmt-subscripting-literals.m
+++ b/test/ARCMT/objcmt-subscripting-literals.m
@@ -77,7 +77,9 @@ typedef const struct __CFString * CFStringRef;
 #define PAIR(x) @#x, [NSNumber numberWithInt:(x)]
 #define TWO(x) ((x), (x))
 
-@interface I
+@interface I {
+  NSArray *ivarArr;
+}
 @end
 @implementation I
 -(void) foo {
@@ -138,6 +140,7 @@ typedef const struct __CFString * CFStringRef;
   o = [*parr objectAtIndex:2];
   void *hd;
   o = [(NSArray*)hd objectAtIndex:2];
+  o = [ivarArr objectAtIndex:2];
 }
 @end
 
diff --git a/test/ARCMT/objcmt-subscripting-literals.m.result b/test/ARCMT/objcmt-subscripting-literals.m.result
index 333d0b4c388e3dca9bed98141e20d88a308a0b36..a4eca6a447d9a5125f60f571ae9cd38c4f024aba 100644
--- a/test/ARCMT/objcmt-subscripting-literals.m.result
+++ b/test/ARCMT/objcmt-subscripting-literals.m.result
@@ -77,7 +77,9 @@ typedef const struct __CFString * CFStringRef;
 #define PAIR(x) @#x, [NSNumber numberWithInt:(x)]
 #define TWO(x) ((x), (x))
 
-@interface I
+@interface I {
+  NSArray *ivarArr;
+}
 @end
 @implementation I
 -(void) foo {
@@ -138,6 +140,7 @@ typedef const struct __CFString * CFStringRef;
   o = (*parr)[2];
   void *hd;
   o = ((NSArray*)hd)[2];
+  o = ivarArr[2];
 }
 @end