diff --git a/src/amd/compiler/aco_opt_value_numbering.cpp b/src/amd/compiler/aco_opt_value_numbering.cpp
index 4ce05c2572e..a780fc71811 100644
--- a/src/amd/compiler/aco_opt_value_numbering.cpp
+++ b/src/amd/compiler/aco_opt_value_numbering.cpp
@@ -489,6 +489,9 @@ value_numbering(Program* program)
          loop_headers.pop_back();
       }
 
+      if (block.logical_idom == (int)block.index)
+         ctx.expr_values.clear();
+
       if (block.logical_idom != -1)
          process_block(ctx, block);
       else