diff --git a/lib/sprockets/path_utils.rb b/lib/sprockets/path_utils.rb
index 63895f996..8feab26f8 100644
--- a/lib/sprockets/path_utils.rb
+++ b/lib/sprockets/path_utils.rb
@@ -178,6 +178,7 @@ def match_path_extname(path, extensions)
     def find_matching_path_for_extensions(path, basename, extensions)
       matches = []
       entries(path).each do |entry|
+        next unless File.basename(entry).start_with?(basename)
         extname, value = match_path_extname(entry, extensions)
         if basename == entry.chomp(extname)
           filename = File.join(path, entry)