gistfile1.txt

diff --git a/lib/Panda/Builder.pm b/lib/Panda/Builder.pm
index b09aa0f..bff2994 100644
--- a/lib/Panda/Builder.pm
+++ b/lib/Panda/Builder.pm
@@ -25,7 +25,7 @@ sub topo-sort(@modules, %dependencies) {
 }
 
 sub path-to-module-name($path) {
-    $path.subst(/^'lib/'/, '').subst(/^'lib6/'/, '').subst(/\.pm6?$/, '').subst('/', '::', :g);
+    $path.subst(/^'lib'<[/\\]>/, '').subst(/^'lib6'<[/\\]>/, '').subst(/\.pm6?$/, '').subst(/<[/\\]>/, '::', :g);
 }
 
 sub build-order(@module-files) {