diff --git a/src/play/modules/sass/Engine.java b/src/play/modules/sass/Engine.java
index a06e987..fff37e7 100644
--- a/src/play/modules/sass/Engine.java
+++ b/src/play/modules/sass/Engine.java
@@ -158,7 +158,7 @@ private void findDependencies(File sass, List<File> all) {
                     for (String path : sassPaths) {
                         File depSass = new File(path + "/" + fileName);
                         if (!depSass.exists()) {
-                            depSass = new File(depSass.getParentFile() + "/_" + depSass.getName());
+                            depSass = new File(depSass.getParentFile() + "/_" + depSass.getName() + ".sass");
                         }
                         if (depSass.exists()) {
                             findDependencies(depSass, all);