diff --git a/runtime/instruction_set_test.cc b/runtime/instruction_set_test.cc
index cd6337c..ece3238 100644
--- a/runtime/instruction_set_test.cc
+++ b/runtime/instruction_set_test.cc
@@ -45,4 +45,8 @@
   EXPECT_EQ(kRuntimeISA, GetInstructionSetFromString(GetInstructionSetString(kRuntimeISA)));
 }
 
+TEST_F(InstructionSetTest, PointerSize) {
+  EXPECT_EQ(kPointerSize, GetInstructionSetPointerSize(kRuntimeISA));
+}
+
 }  // namespace art