diff --git a/compiler/optimizing/optimizing_compiler.cc b/compiler/optimizing/optimizing_compiler.cc
index 56029aa..ccacbef 100644
--- a/compiler/optimizing/optimizing_compiler.cc
+++ b/compiler/optimizing/optimizing_compiler.cc
@@ -101,6 +101,10 @@
   }
 
   InstructionSet instruction_set = GetCompilerDriver()->GetInstructionSet();
+  // The optimizing compiler currently does not have a Thumb2 assembler.
+  if (instruction_set == kThumb2) {
+    instruction_set = kArm;
+  }
   CodeGenerator* codegen = CodeGenerator::Create(&arena, graph, instruction_set);
   if (codegen == nullptr) {
     if (shouldCompile) {