diff --git a/foundation/src/stages/stage1/gnutar/boot.nix b/foundation/src/stages/stage1/gnutar/boot.nix
index 347c489..92ce4dc 100644
--- a/foundation/src/stages/stage1/gnutar/boot.nix
+++ b/foundation/src/stages/stage1/gnutar/boot.nix
@@ -53,9 +53,12 @@ in
           rm tar.tar
           cd tar-${cfg.version}
 
+          # Fix source permissions
+          chmod -R +r .
+          chmod +x ./configure
+
           # Configure
           export CC="tcc -B ${stage1.tinycc.mes.libs.package}/lib"
-          chmod +x ./configure
           ./configure \
             --build=${platform.build} \
             --host=${platform.host} \