diff --git a/Sources/XcodeGenKit/SourceGenerator.swift b/Sources/XcodeGenKit/SourceGenerator.swift
index 03305a4b..4ed48631 100644
--- a/Sources/XcodeGenKit/SourceGenerator.swift
+++ b/Sources/XcodeGenKit/SourceGenerator.swift
@@ -219,7 +219,8 @@ class SourceGenerator {
                  "gpx",
                  "lproj",
                  "xcfilelist",
-                 "apns":
+                 "apns",
+                 "pch":
                 return nil
             default:
                 return .resources