diff --git a/Sources/ProjectSpec/TargetSource.swift b/Sources/ProjectSpec/TargetSource.swift
index 08bc65cd..f8a1cbb3 100644
--- a/Sources/ProjectSpec/TargetSource.swift
+++ b/Sources/ProjectSpec/TargetSource.swift
@@ -119,6 +119,7 @@ public struct TargetSource: Equatable {
         self.type = type
         self.optional = optional
         self.buildPhase = buildPhase
+        self.headerVisibility = headerVisibility
     }
 }