diff --git a/src/backend_x64/reg_alloc.cpp b/src/backend_x64/reg_alloc.cpp
index 82e32446..25d77f40 100644
--- a/src/backend_x64/reg_alloc.cpp
+++ b/src/backend_x64/reg_alloc.cpp
@@ -120,8 +120,9 @@ Gen::X64Reg RegAlloc::UseDefRegister(IR::Inst* use_inst, IR::Inst* def_inst, Hos
     }
 
     bool is_floating_point = HostLocIsXMM(*desired_locations.begin());
-    if (is_floating_point)
+    if (is_floating_point) {
         DEBUG_ASSERT(use_inst->GetType() == IR::Type::F32 || use_inst->GetType() == IR::Type::F64);
+    }
     Gen::X64Reg use_reg = UseRegister(use_inst, is_floating_point ? any_xmm : any_gpr);
     Gen::X64Reg def_reg = DefRegister(def_inst, desired_locations);
     if (is_floating_point) {