diff --git a/compiler/optimizing/licm_test.cc b/compiler/optimizing/licm_test.cc
index 2a62643..d446539 100644
--- a/compiler/optimizing/licm_test.cc
+++ b/compiler/optimizing/licm_test.cc
@@ -169,11 +169,13 @@
   BuildLoop();
 
   // Populate the loop with instructions: set/get array with different types.
+  // ArrayGet is typed as kPrimByte and ArraySet given a float value in order to
+  // avoid SsaBuilder's typing of ambiguous array operations from reference type info.
   HInstruction* get_array = new (&allocator_) HArrayGet(
-      parameter_, int_constant_, Primitive::kPrimInt, 0);
+      parameter_, int_constant_, Primitive::kPrimByte, 0);
   loop_body_->InsertInstructionBefore(get_array, loop_body_->GetLastInstruction());
   HInstruction* set_array = new (&allocator_) HArraySet(
-      parameter_, int_constant_, float_constant_, Primitive::kPrimFloat, 0);
+      parameter_, int_constant_, float_constant_, Primitive::kPrimShort, 0);
   loop_body_->InsertInstructionBefore(set_array, loop_body_->GetLastInstruction());
 
   EXPECT_EQ(get_array->GetBlock(), loop_body_);
@@ -187,11 +189,13 @@
   BuildLoop();
 
   // Populate the loop with instructions: set/get array with same types.
+  // ArrayGet is typed as kPrimByte and ArraySet given a float value in order to
+  // avoid SsaBuilder's typing of ambiguous array operations from reference type info.
   HInstruction* get_array = new (&allocator_) HArrayGet(
-      parameter_, int_constant_, Primitive::kPrimFloat, 0);
+      parameter_, int_constant_, Primitive::kPrimByte, 0);
   loop_body_->InsertInstructionBefore(get_array, loop_body_->GetLastInstruction());
   HInstruction* set_array = new (&allocator_) HArraySet(
-      parameter_, get_array, float_constant_, Primitive::kPrimFloat, 0);
+      parameter_, get_array, float_constant_, Primitive::kPrimByte, 0);
   loop_body_->InsertInstructionBefore(set_array, loop_body_->GetLastInstruction());
 
   EXPECT_EQ(get_array->GetBlock(), loop_body_);