diff --git a/src/frontend/ir/microinstruction.cpp b/src/frontend/ir/microinstruction.cpp
index a9549d52..ee01729e 100644
--- a/src/frontend/ir/microinstruction.cpp
+++ b/src/frontend/ir/microinstruction.cpp
@@ -303,6 +303,7 @@ void Inst::Invalidate() {
         if (!value.IsImmediate()) {
             UndoUse(value);
         }
+        value = {};
     }
 }