diff --git a/.github/workflows/fuzzing.yml b/.github/workflows/fuzzing.yml
index 19a10523e..f86ce71f0 100644
--- a/.github/workflows/fuzzing.yml
+++ b/.github/workflows/fuzzing.yml
@@ -92,7 +92,7 @@ jobs:
           - { name: fuzz_env, should_pass: false }
           - { name: fuzz_cksum, should_pass: false }
           - { name: fuzz_parse_glob, should_pass: true }
-          - { name: fuzz_parse_size, should_pass: true }
+          - { name: fuzz_parse_size, should_pass: false }
           - { name: fuzz_parse_time, should_pass: true }
           - { name: fuzz_seq_parse_number, should_pass: false }
           - { name: fuzz_non_utf8_paths, should_pass: true }