diff --git a/compiler/optimizing/code_generator_arm.cc b/compiler/optimizing/code_generator_arm.cc
index 959a0f1..dfdb419 100644
--- a/compiler/optimizing/code_generator_arm.cc
+++ b/compiler/optimizing/code_generator_arm.cc
@@ -805,19 +805,24 @@
     //   tmp = [r_ptr] - expected;
     // } while (tmp == 0 && failure([r_ptr] <- r_new_value));
 
-    Label loop_head;
+    Label loop_head, exit_loop;
     __ Bind(&loop_head);
 
     __ ldrex(tmp, tmp_ptr);
 
     __ subs(tmp, tmp, ShifterOperand(expected));
 
-    __ it(EQ, ItState::kItT);
-    __ strex(tmp, value, tmp_ptr, EQ);
-    __ cmp(tmp, ShifterOperand(1), EQ);
+    __ it(NE);
+    __ clrex(NE);
 
+    __ b(&exit_loop, NE);
+
+    __ strex(tmp, value, tmp_ptr);
+    __ cmp(tmp, ShifterOperand(1));
     __ b(&loop_head, EQ);
 
+    __ Bind(&exit_loop);
+
     if (kPoisonHeapReferences) {
       __ UnpoisonHeapReference(expected);
       if (value == expected) {