diff --git a/goalc/emitter/IGenARM64.cpp b/goalc/emitter/IGenARM64.cpp
index 0d3e39ec37..1180f722dc 100644
--- a/goalc/emitter/IGenARM64.cpp
+++ b/goalc/emitter/IGenARM64.cpp
@@ -78,6 +78,7 @@ std::vector<InstructionARM64> construct_multiple_imm12_subs(int64_t imm, u32 reg
     instrs.emplace_back(InstructionARM64(Base(0b110100010, 9), Sh(_needs_shift ? 1 : 0),
                                          Imm12(_imm12), Rd(register_id), Rn(register_id)));
   }
+  return instrs;
 }
 
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