diff --git a/src/project.rs b/src/project.rs
index d9f32a4..7847e28 100644
--- a/src/project.rs
+++ b/src/project.rs
@@ -175,7 +175,7 @@ impl FuzzProject {
             rustflags.push_str(" -Cllvm-args=-sanitizer-coverage-trace-compares");
         }
 
-        if build.disable_branch_folding.is_some_and(|v| v) {
+        if build.disable_branch_folding.unwrap_or(true) {
             rustflags.push_str(" -Cllvm-args=-simplifycfg-branch-fold-threshold=0");
         }