diff --git a/Lib/test/test_peg_generator/test_prefix.py b/Lib/test/test_peg_generator/test_prefix.py
index b4d5128df0121c..fb40a1c1a4e7d9 100644
--- a/Lib/test/test_peg_generator/test_prefix.py
+++ b/Lib/test/test_peg_generator/test_prefix.py
@@ -2,6 +2,7 @@
 
 from test import test_tools
 
+test_tools.skip_if_missing("peg_generator")
 with test_tools.imports_under_tool("peg_generator"):
     from pegen.c_generator import consuming_rules
     from pegen.testutil import GrammarParser, parse_string