diff --git a/src/library.cr b/src/library.cr
index cb57feb..eb567b4 100644
--- a/src/library.cr
+++ b/src/library.cr
@@ -45,7 +45,9 @@ class Entry
 					["image/jpeg", "image/png"].includes? \
 					MIME.from_filename? e.filename
 				}
-				.sort { |a, b| compare_alphanumerically(split_by_alphanumeric(a.filename), split_by_alphanumeric(b.filename)) }
+				.sort { |a, b|
+					compare_alphanumerically a.filename, b.filename
+				}
 				.[page_num - 1]
 			page.open do |io|
 				slice = Bytes.new page.uncompressed_size