diff --git a/src/propagate_constant.cpp b/src/propagate_constant.cpp
index 49b779c7b40..adad621ce1b 100644
--- a/src/propagate_constant.cpp
+++ b/src/propagate_constant.cpp
@@ -1,7 +1,7 @@
 /*
  * The MIT License (MIT)
  *
- * Copyright (c) 2015-2024 Advanced Micro Devices, Inc. All rights reserved.
+ * Copyright (c) 2015-2025 Advanced Micro Devices, Inc. All rights reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -48,6 +48,8 @@ bool skip_propagate(instruction_ref ins)
     auto alias = instruction::get_output_alias(ins, true);
     if(alias != ins)
         return skip_propagate(alias);
+    if(ins->is_undefined())
+        return true;
     return false;
 }