diff --git a/fuzz/fuzz_targets/parser.rs b/fuzz/fuzz_targets/parser.rs
index d79e0fa..ffcbb9d 100644
--- a/fuzz/fuzz_targets/parser.rs
+++ b/fuzz/fuzz_targets/parser.rs
@@ -4,5 +4,6 @@ use git_config::parser::Parser;
 use libfuzzer_sys::fuzz_target;
 
 fuzz_target!(|data: &[u8]| {
-    Parser::from_bytes(data);
+    // Don't name this _; Rust may optimize it out.
+    let _a = Parser::from_bytes(data);
 });