diff --git a/test_regress/t/t_opt_const.py b/test_regress/t/t_opt_const.py
index e4d50d945..fa2e1cfee 100755
--- a/test_regress/t/t_opt_const.py
+++ b/test_regress/t/t_opt_const.py
@@ -16,7 +16,7 @@ test.compile(verilator_flags2=["-Wno-UNOPTTHREADS", "-fno-dfg", "--stats", test.
 test.execute()
 
 if test.vlt:
-    test.file_grep(test.stats, r'Optimizations, Const bit op reduction\s+(\d+)', 50)
+    test.file_grep(test.stats, r'Optimizations, Const bit op reduction\s+(\d+)', 46)
     test.file_grep(test.stats, r'SplitVar, packed variables split automatically\s+(\d+)', 1)
 
 test.passes()